Research paper published in 2023

Multipolaron Complexes in Conducting Polymers: The Importance of Hole–Hole Repulsion in Charge Delocalization

M Balooch Qarai, R Ghosh, NJ Hestand, FC Spano
The Journal of Physical Chemistry C 127 (13), 6414-6424

 2023

Observation of Weak Counterion Size Dependence of Thermoelectric Transport in Ion Exchange Doped Conducting Polymers Across a Wide Range of Conductivities

Chen Chen, Ian E Jacobs, Keehoon Kang, Yue Lin, Cameron Jellett, Boseok Kang, Seon Baek Lee, Yuxuan Huang, Mohammad BaloochQarai, Raja Ghosh, Martin Statz, William Wood, Xinglong Ren, Dion Tjhe, Yuanhui Sun, Xiaojian She, Yuanyuan Hu, Lang Jiang, Frank C Spano, Iain McCulloch, Henning Sirringhaus
Advanced Energy Materials 13 (9), 2202797

 2023

Role of aggregates and microstructure of mixed-ionic–electronic-conductors on charge transport in electrochemical transistors

Garrett LeCroy, Camila Cendra, Tyler J Quill, Maximilian Moser, Rawad Hallani, James F Ponder, Kevin Stone, Stephen D Kang, Allen Yu-Lun Liang, Quentin Thiburce, Iain McCulloch, Frank C Spano, Alexander Giovannitti, Alberto Salleo
Materials Horizons

 2023
 
 

Research paper published in 2021-2022

HJ-aggregates of donor-acceptor-donor oligomers and polymers (vol 155, 034905, 2021)

X Chang, MB Qarai, FC Spano
JOURNAL OF CHEMICAL PHYSICS 157 (20)

 2022

Intermolecular Charge Transfer in H-and J-Aggregates of Donor–Acceptor–Donor Chromophores: The Curious Case of Bithiophene-DPP

X Chang, M Balooch Qarai, FC Spano
The Journal of Physical Chemistry C 126 (44), 18784-18795

 2022

Correction to “Confirmation of the Origins of Panchromatic Spectra in Squaraine Thin Films Targeted for Organic Photovoltaic Devices”

Nicholas J Hestand, Chenyu Zheng, Anirudh Raju Penmetcha, Brandon Cona, Jeremy A Cody, Frank C Spano, Christopher J Collison
The Journal of Physical Chemistry C 126 (27), 11436-11437
 2022

Quantifying polaron mole fractions and interpreting spectral changes in molecularly doped conjugated polymers

Adam J Moulé, Goktug Gonel, Tucker L Murrey, Raja Ghosh, Jan Saska, Nikolay E Shevchenko, Ilaria Denti, Alice S Fergerson, Rachel M Talbot, Nichole L Yacoub, Mark Mascal, Alberto Salleo, Frank C Spano
Advanced Electronic Materials 8 (4), 2100888

 2022

A Holstein–Peierls approach to excimer spectra: The evolution from vibronically structured to unstructured emission

AL Bialas, FC Spano
The Journal of Physical Chemistry C 126 (8), 4067-4081

 2022
Understanding bipolarons in conjugated polymers using a multiparticle Holstein approach
MB Qarai, R Ghosh, FC Spano

 

The Journal of Physical Chemistry C 125 (44), 24487-24497

 2021

HJ-aggregates of donor–acceptor–donor oligomers and polymers

X Chang, M Balooch Qarai, FC Spano
The Journal of Chemical Physics 155 (3)

 2021

An Efficient Narrowband Near‐Infrared at 1040 nm Organic Photodetector Realized by Intermolecular Charge Transfer Mediated Coupling Based on a Squaraine Dye

Jin Hong Kim, Andreas Liess, Matthias Stolte, Ana‐Maria Krause, Vladimir Stepanenko, Chuwei Zhong, David Bialas, Frank Spano, Frank Würthner
Advanced Materials, 33(26), 2100582
 2021
 
 

Research paper published in 2020

Vibronic exciton model for low bandgap donor–acceptor polymers

M Balooch Qarai, X Chang, FC Spano
The Journal of Chemical Physics 153 (24), 244901
 2020

Excitons and Polarons in Organic Materials

R Ghosh, FC Spano
Accounts of Chemical Research 53 (10), 2201-2211
 2020

A Thermostable Protein Matrix for Spectroscopic Analysis of Organic Semiconductors

GA Sutherland, D Polak, DJK Swainsbury, S Wang, FC Spano, DB Auman, …
Journal of the American Chemical Society 142 (32), 13898-13907
 2020

Exciton–phonon polaritons in organic microcavities: Testing a simple ansatz for treating a large number of chromophores

FC Spano
The Journal of Chemical Physics 152 (20), 204113
 2020

Frenkel–Holstein Hamiltonian applied to absorption spectra of quaterthiophene-based 2D hybrid organic–inorganic perovskites

SM Janke, MB Qarai, V Blum, FC Spano
The Journal of chemical physics 152 (14), 144702
 2020

Spectral Signatures and Spatial Coherence of Bound and Unbound Polarons in Organic Semiconductors: Theory vs Experiment

R Ghosh, C Luscombe, S Alberto, F Spano
Bulletin of the American Physical Society 65
 2020

Excitons and Polarons in Organic Materials

F Spano, R Ghosh
Bulletin of the American Physical Society 65
 2020

Frenkel-Holstein Hamiltonian Applied to Quaterthiophene-based 2D Hybrid Organic-Inorganic Perovskites

S Janke, M Qarai, V Blum, F Spano
Bulletin of the American Physical Society 65
 2020

Measurement and theoretical interpretation of exciton diffusion as a function of intermolecular separation for squaraines targeted for bulk heterojunction solar cells

C Zheng, MF Mark, T Wiegand, SA Diaz, J Cody, FC Spano, …
The Journal of Physical Chemistry C 124 (7), 4032-4043
 2020

Unusual Non-Kasha Photophysical Behavior of Aggregates of Push–Pull Donor–Acceptor Chromophores

C Zhong, D Bialas, FC Spano
The Journal of Physical Chemistry C 124 (3), 2146-2159
 2020

Research paper published in 2019

Non-Kasha Behavior in Quadrupolar Dye Aggregates: The Red-Shifted H-Aggregate (vol 123, pg 3203, 2019)

C Zheng, C Zhong, CJ Collison, FC Spano
JOURNAL OF PHYSICAL CHEMISTRY C 123 (50), 30765-30765
 2019

Correction to “Non-Kasha Behavior in Quadrupolar Dye Aggregates: The Red-Shifted H‑Aggregate”

C Zheng, C Zhong, CJ Collison, FC Spano
The Journal of Physical Chemistry C 123 (50), 30765-30765
 2019

Search for flavour-changing neutral currents in processes with one top quark and a photon using 81 fb Of Collisions at with the ATLAS experiment

G Aad, B Abbott, DC Abbott, A Abed Abud, K Abeling, DK Abhayasinghe, …
Physics Letters B 800
 2019

Expanded theory for molecular aggregate photophysics

F Spano
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 258
 2019

Perylene diimide-based hj-and hj-aggregates: The prospect of exciton band shape engineering in organic materials

A Oleson, T Zhu, IS Dunn, D Bialas, Y Bai, W Zhang, M Dai, DR Reichman, …
The Journal of Physical Chemistry C 123 (33), 20567-20578
 2019

Davydov splitting in squaraine dimers

C Zhong, D Bialas, CJ Collison, FC Spano
The Journal of Physical Chemistry C 123 (30), 18734-18745
 2019

Essential states model for merocyanine dye stacks: Bridging electronic and optical absorption properties

D Bialas, C Zhong, F Würthner, FC Spano
The Journal of Physical Chemistry C 123 (30), 18654-18664
 2019

Anisotropic polaron delocalization in conjugated homopolymers and donor–acceptor copolymers

R Ghosh, CK Luscombe, M Hambsch, SCB Mannsfeld, A Salleo, …
Chemistry of Materials 31 (17), 7033-7045
 2019

Measurement of the t (t) over-barZ and t (t) over-barW cross sections in proton-proton collisions at root s= 13 TeV with the ATLAS detector

M Aaboud, G Aad, B Abbott, DC Abbott, B Abeloos, DK Abhayasinghe, …
Physical Review D 99 (7)
 2019

Non-Kasha behavior in quadrupolar dye aggregates: the red-shifted H-aggregate

C Zheng, C Zhong, CJ Collison, FC Spano
The Journal of Physical Chemistry C 123 (5), 3203-3215
 2019

Research paper published in 2018

Unraveling the effect of conformational and electronic disorder in the charge transport processes of semiconducting polymers

AR Chew, R Ghosh, V Pakhnyuk, J Onorato, EC Davidson, RA Segalman, …
Advanced Functional Materials 28 (41), 1804142
 2018

Exploring design principles for artificial light harvesting using DNA-scaffolded molecular aggregates

WJ Chen, J Banal, T Kondo, W Bricker, M Bathe, G Schlau-Cohen
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 256
 2018

Spectral signatures and spatial coherence of bound and unbound polarons in p3ht films: Theory versus experiment

R Ghosh, AR Chew, J Onorato, V Pakhnyuk, CK Luscombe, A Salleo, …
The Journal of Physical Chemistry C 122 (31), 18048-18060
 2018

Expanded theory of H-and J-molecular aggregates: the effects of vibronic coupling and intermolecular charge transfer

NJ Hestand, FC Spano
Chemical reviews 118 (15), 7069-7163
 2018

Robust singlet fission in pentacene thin films with tuned charge transfer interactions

K Broch, J Dieterle, F Branchi, NJ Hestand, Y Olivier, H Tamura, C Cruz, …
Nature communications 9 (1), 1-9
 2018

Theory of nanoscale organic cavities: The essential role of vibration-photon dressed states

F Herrera, FC Spano
ACS photonics 5 (1), 65-79
 2018

Theory of Vibronic Polaritons in Optical Microcavities

F Spano, F Herrera
APS March Meeting Abstracts 2018, S03. 001
 2018

Controlling Chemistry with Cavity Quantum Electrodynamics

F Herrera, F Spano
APS March Meeting Abstracts 2018, L03. 003
 2018

Absorption and Photoluminescence in Organic Cavity Quantum Electrodynamics

F Herrera, F Spano
APS March Meeting Abstracts 2018, L60. 306
 2018

Research paper published in 2017

The Effects of Crystallinity on Charge Transport and the Structure of Sequentially Processed F4TCNQ‐Doped Conjugated Polymer Films

DT Scholes, PY Yee, JR Lindemuth, H Kang, J Onorato, R Ghosh, …
Advanced Functional Materials 27 (44), 1702654
 2017

Sequential doping reveals the importance of amorphous chain rigidity in charge transport of semi-crystalline polymers

AR Chew, R Ghosh, Z Shang, FC Spano, A Salleo
The journal of physical chemistry letters 8 (20), 4974-4980
 2017

Absorption and photoluminescence in organic cavity QED

F Herrera, FC Spano
Physical Review A 95 (5), 053867
 2017

Dark vibronic polaritons and the spectroscopy of organic microcavities

F Herrera, FC Spano
Physical review letters 118 (22), 223601
 2017

Crystal structure effects on the Davydov splitting of electronically active conjugated systems

J Szarko, A Austin, X Zhu, F Spano, N Hestand, M Zdilla
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 253
 2017

Enhanced Davydov splitting in crystals of a perylene diimide derivative

A Austin, NJ Hestand, IG McKendry, C Zhong, X Zhu, MJ Zdilla, FC Spano, …
The journal of physical chemistry letters 8 (6), 1118-1123
 2017

Using coherence to enhance function in chemical and biophysical systems

GD Scholes, GR Fleming, LX Chen, A Aspuru-Guzik, A Buchleitner, …
Nature 543 (7647), 647-656
 2017

Molecular aggregate photophysics beyond the Kasha model: novel design principles for organic materials

NJ Hestand, FC Spano
Accounts of chemical research 50 (2), 341-350
 2017

Determination of the strong coupling constant [… formula…] from transverse energy–energy correlations in multijet events at [… formula…] using the ATLAS detector

M Aaboud, G Aad, B Abbott, J Abdallah, B Abeloos, SH Abidi, …
The European Physical Journal. C, Particles and Fields 77 (12)
 2017

Research paper published in 2016

Determining the spatial coherence of excitons from the photoluminescence spectrum in charge-transfer J-aggregates

NJ Hestand, FC Spano
Chemical Physics 481, 262-271
 2016

Phase separation, crystallinity and monomer-aggregate population control in solution processed small molecule solar cells

C Zheng, D Bleier, I Jalan, S Pristash, AR Penmetcha, NJ Hestand, …
Solar Energy Materials and Solar Cells 157, 366-376
 2016

The intermolecular charge transfer integral as an indicator of future success in organic photovoltaics (Conference Presentation)

CJ Collison, C Zheng, NJ Hestand, I Jalan, JA Cody, FC Spano
Organic Photovoltaics XVII 9942, 99420L
 2016

Extended-charge-transfer excitons in crystalline supramolecular photocatalytic scaffolds

NJ Hestand, RV Kazantsev, AS Weingarten, LC Palmer, SI Stupp, …
Journal of the American Chemical Society 138 (36), 11762-11774
 2016

Spatial coherence of holes in conjugated polymer films

R Ghosh, C Pochas, F Spano
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 252
 2016

Beyond Kasha’s exciton model for molecular aggregates: H-to J-aggregate transformation in perylene-based pi-stacks

N Hestand, F Spano
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 252
 2016

Cavity-controlled chemistry in molecular ensembles

F Herrera, FC Spano
Physical Review Letters 116 (23), 238301
 2016

Polaron delocalization in conjugated polymer films

R Ghosh, CM Pochas, FC Spano
The Journal of Physical Chemistry C 120 (21), 11394-11406
 2016

Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at√ s= 7 and 8 TeV

M Dührssen, C Gutschow, H Meyer Zu Theenhausen, J Reichert, …
 
 2016

Photophysical Properties of Molecular Aggregates “101”

FC Spano, D Beljonne
THE WSPC REFERENCE ON ORGANIC ELECTRONICS: ORGANIC SEMICONDUCTORS: Basic …
 2016

Research paper published between 2011 and 2015

Interference between Coulombic and CT-mediated couplings in molecular aggregates: H-to J-aggregate transformation in perylene-based π-stacks

NJ Hestand, FC Spano
The Journal of chemical physics 143 (24), 244707
 2015

Theory and assignment of intermolecular charge transfer states in squaraines and their impact on efficiency in bulk heterojunction solar cells (Presentation Recording)

CJ Collison, C Zheng, N Hestand, B Cona, A Penmetcha, S Spencer, …
Organic Photovoltaics XVI 9567, 95670R
 2015

Polarized absorption in crystalline pentacene: theory vs experiment

NJ Hestand, H Yamagata, B Xu, D Sun, Y Zhong, AR Harutyunyan, …
The Journal of Physical Chemistry C 119 (38), 22137-22147
 2015

Confirmation of the origins of panchromatic spectra in squaraine thin films targeted for organic photovoltaic devices

NJ Hestand, C Zheng, AR Penmetcha, B Cona, JA Cody, FC Spano, …
The Journal of Physical Chemistry C 119 (33), 18964-18974
 2015

Exciton mobility control through sub− Å packing modifications in molecular crystals

NJ Hestand, R Tempelaar, J Knoester, TLC Jansen, FC Spano
Physical Review B 91 (19), 195315
 2015

Optical microcavities enhance the exciton coherence length and eliminate vibronic coupling in J-aggregates

FC Spano
The Journal of chemical physics 142 (18), 184707
 2015

HJ-aggregate behavior of crystalline 7, 8, 15, 16-tetraazaterrylene: introducing a new design paradigm for organic materials

H Yamagata, DS Maxwell, J Fan, KR Kittilstved, AL Briseno, MD Barnes, …
The Journal of Physical Chemistry C 118 (49), 28842-28854
 2014

Two-dimensional polaron coherence in Poly (3-hexylthiophene)

CM Pochas, H Yamagata, FC Spano
Physical Chemistry of Interfaces and Nanomaterials XIII 9165, 916509
 2014

The effect of chain bending on the photophysical properties of conjugated polymers

NJ Hestand, FC Spano
The Journal of Physical Chemistry B 118 (28), 8352-8363
 2014

New insights on the nature of two-dimensional polarons in semiconducting polymers: Infrared absorption in poly (3-hexylthiophene)

CM Pochas, FC Spano
The Journal of chemical physics 140 (24), 244902
 2014

Mapping the evolution of spatial exciton coherence through time-resolved fluorescence

R Tempelaar, FC Spano, J Knoester, TLC Jansen
The journal of physical chemistry letters 5 (9), 1505-1510
 2014

H-and J-aggregate behavior in polymeric semiconductors

FC Spano, C Silva
Annual review of physical chemistry 65, 477-500
 2014

Strong photophysical similarities between conjugated polymers and J-aggregates

H Yamagata, FC Spano
The journal of physical chemistry letters 5 (3), 622-632
 2014

Two-dimensional spatial coherence of excitons in semicrystalline polymeric semiconductors: Effect of molecular weight

F Paquin, H Yamagata, NJ Hestand, M Sakowicz, N Bérubé, M Côté, …
Physical Review B 88 (15), 155202
 2013

The red-phase of poly [2-methoxy-5-(2-ethylhexyloxy)-1, 4-phenylenevinylene](MEH-PPV): A disordered HJ-aggregate

H Yamagata, NJ Hestand, FC Spano, A Köhler, C Scharsich, …
The Journal of chemical physics 139 (11), 114903
 2013

Charge-transfer excitations steer the Davydov splitting and mediate singlet exciton fission in pentacene

D Beljonne, H Yamagata, JL Brédas, FC Spano, Y Olivier
Physical review letters 110 (22), 226402
 2013

Contrasting photophysical properties of star-shaped vs linear perylene diimide complexes

CM Pochas, KA Kistler, H Yamagata, S Matsika, FC Spano
Journal of the American Chemical Society 135 (8), 3056-3066
 2013

A benchmark of excitonic couplings derived from atomic transition charges

KA Kistler, FC Spano, S Matsika
The Journal of Physical Chemistry B 117 (7), 2032-2044
 2013

Anatomy of an exciton: Vibrational distortion and exciton coherence in h-and j-aggregates

R Tempelaar, A Stradomska, J Knoester, FC Spano
The Journal of Physical Chemistry B 117 (1), 457-466
 2013

Erratum:“Interplay between intrachain and interchain interactions in semiconducting polymer assemblies: The HJ-aggregate model”[J. Chem. Phys. 136, 184901 (2012)]

H Yamagata, FC Spano
The Journal of Chemical Physics 137 (24), 249901
 2012

Designing J-and H-aggregates through wave function overlap engineering: applications to poly (3-hexylthiophene)

H Yamagata, CM Pochas, FC Spano
The Journal of Physical Chemistry B 116 (49), 14494-14503
 2012

Understanding the nature of vibronic excitons in organic assemblies: New insights on the structure of carotenoid aggregates

FC Spano
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 244
 2012

Interplay between intrachain and interchain interactions in semiconducting polymer assemblies: The HJ-aggregate model

H Yamagata, FC Spano
The Journal of chemical physics 136 (18), 184901
 2012

Theory of exciton dynamics in molecular aggregates in presence of polaronic effects

L van Dijk, FC Spano, PA Bobbert
Chemical Physics Letters 529, 69-73
 2012

J-aggregate behavior in poly-3-hexylthiophene nanofibers

ET Niles, JD Roehling, H Yamagata, AJ Wise, FC Spano, AJ Moulé, …
The Journal of Physical Chemistry Letters 3 (2), 259-263
 2012

Absorption, circular dichroism, and photoluminescence in perylene diimide bichromophores: Polarization-dependent H-and J-aggregate behavior

KA Kistler, CM Pochas, H Yamagata, S Matsika, FC Spano
The Journal of Physical Chemistry B 116 (1), 77-86
 2012

Vibronic Coupling in J-Aggregates

FC Spano
J-Aggregates: Volume 2, 49-75
 2012

Circularly polarized luminescence as a probe for long-range interactions in molecular aggregates

R Tempelaar, A Stradomska, J Knoester, FC Spano
The Journal of Physical Chemistry B 115 (36), 10592-10603
 2011

Vibronic coupling in quantum wires: applications to polydiacetylene

H Yamagata, FC Spano
The Journal of chemical physics 135 (5), 054906
 2011

The nature of singlet excitons in oligoacene molecular crystals

H Yamagata, J Norton, E Hontz, Y Olivier, D Beljonne, JL Brédas, …
The Journal of chemical physics 134 (20), 204703
 2011

Vibronic coupling in J-aggregates and beyond: a direct means of determining the exciton coherence length from the photoluminescence spectrum

FC Spano, H Yamagata
The Journal of Physical Chemistry B 115 (18), 5133-5143
 2011

Research paper published between 2006 and 2010

Multiple mode exciton-vibrational coupling in H-aggregates: synergistic enhancement of the quantum yield

FC Spano, L Silvestri
The Journal of chemical physics 132 (9), 094704
 2010

Extreme sensitivity of circular dichroism to long-range excitonic couplings in helical supramolecular assemblies

L van Dijk, PA Bobbert, FC Spano
The Journal of Physical Chemistry B 114 (2), 817-825
 2010

Quantum State Singlet-Triplet Character Control in 7Li2

SS Ingram
Theses and Dissertations
 2010

The spectral signatures of Frenkel polarons in H-and J-aggregates

FC Spano
Accounts of chemical research 43 (3), 429-439
 2010

Optical spectra and Stokes shift in double-stranded helical supramolecular assemblies

L van Dijk, PA Bobbert, FC Spano
The Journal of Physical Chemistry B 113 (29), 9708-9717
 2009

Exciton-phonon coupling in molecular crystals: Synergy between two intramolecular vibrational modes in quaterthiophene single crystals

L Silvestri, S Tavazzi, P Spearman, L Raimondo, FC Spano
The Journal of chemical physics 130 (23), 234701
 2009

Determining exciton bandwidth and film microstructure in polythiophene films using linear absorption spectroscopy

J Clark, JF Chang, FC Spano, RH Friend, C Silva
Applied Physics Letters 94 (16), 117
 2009

Analysis of the UV/Vis and CD Spectral Line Shapes of Carotenoid Assemblies: Spectral Signatures of Chiral H-Aggregates

FC Spano
Journal of the American Chemical Society 131 (12), 4267-4278
 2009

“Helter‐Skelter‐Like” Perylene Polyisocyanopeptides

E Schwartz, V Palermo, CE Finlayson, YS Huang, MBJ Otten, A Liscio, …
Chemistry–A European Journal 15 (11), 2536-2547
 2009

Determining exciton coherence from the photoluminescence spectral line shape in poly (3-hexylthiophene) thin films

FC Spano, J Clark, C Silva, RH Friend
The Journal of chemical physics 130 (7), 074904
 2009

Time-Resolved Spectroscopy of Exciton Dynamics and Fission in Organic Molecular Crystalline Materials

CJ Bardeen, FC Spano, TS Ahn, AM Muller, YS Avlasevich, WW Schoeller, …
Laser Science, LWC3
 2008

Using circularly polarized luminescence to probe exciton coherence in disordered helical aggregates

FC Spano, SCJ Meskers, E Hennebicq, D Beljonne
The Journal of chemical physics 129 (2), 024704
 2008

Experimental and theoretical study of temperature dependent exciton delocalization and relaxation in anthracene thin films

TS Ahn, AM Müller, RO Al-Kaysi, FC Spano, JE Norton, D Beljonne, …
The Journal of chemical physics 128 (5), 054505
 2008

Reclassifying exciton-phonon coupling in molecular aggregates: Evidence of strong nonadiabatic coupling in oligothiophene crystals

FC Spano, L Silvestri, P Spearman, L Raimondo, S Tavazzi
The Journal of chemical physics 127 (18), 184703
 2007

Probing excitation delocalization in supramolecular chiral stacks by means of circularly polarized light: experiment and modeling

FC Spano, SCJ Meskers, E Hennebicq, D Beljonne
Journal of the American Chemical Society 129 (22), 7044-7054
 2007

Role of intermolecular coupling in the photophysics of disordered organic semiconductors: aggregate emission in regioregular polythiophene

J Clark, C Silva, RH Friend, FC Spano
Physical review letters 98 (20), 206406
 2007

Multiple Mode Exciton− Phonon Coupling: Applications to Photoluminescence in Oligothiophene Thin Films

Z Zhao, FC Spano
The Journal of Physical Chemistry C 111 (16), 6113-6123
 2007

Exciton delocalization and superradiance in anthracene thin films

TS Ahn, FC Spano, CJ Bardeen
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 233
 2007

Condensed Matter: Electronic Properties, etc.-Role of Intermolecular Coupling in the Photophysics of Disordered Organic Semiconductors: Aggregate Emission in Regioregular …

J Clark, C Silva, RH Friend, FC Spano
Physical Review Letters 98 (20), 206406-206600
 2007

Absorption in regio-regular poly (3-hexyl) thiophene thin films: Fermi resonances, interband coupling and disorder

FC Spano
Chemical physics 325 (1), 22-35
 2006

Excitons in conjugated oligomer aggregates, films, and crystals

FC Spano
Annu. Rev. Phys. Chem. 57, 217-243
 2006

Research paper published between 2001 and 2005

The Role of Doppler Broadening in Electromagnetically Induced Transparency and Autler-Townes Splitting in Open Molecular systems

A Lazoudis, E Ahmed, L Li, T Kirova, P Qi, A Hansson, J Magnes, …
arXiv preprint quant-ph/0508110
 2005

Temperature-dependent emission in disordered herringbone aggregates of conjugated oligomers

FC Spano
Physical Review B 71 (23), 235208
 2005

Designing molecular eigenstates in a four-level Λ system

T Kirova, FC Spano
Physical Review A 71 (6), 063816
 2005

Modeling disorder in polymer aggregates: The optical spectroscopy of regioregular poly (3-hexylthiophene) thin films

FC Spano
The Journal of chemical physics 122 (23), 234701
 2005

Temperature-dependent emission in disordered herringbone aggregates: stacking faults and point defects

FC Spano
Journal of luminescence 112 (1-4), 395-401
 2005

Vibronic fine structure in the absorption spectrum of oligothiophene thin films

Z Zhao, FC Spano
The Journal of chemical physics 122 (11), 114701
 2005

Exciton delocalization and superradiance in tetracene nanoparticles.

CJ Bardeen, SH Lim, TG Bjorklund, FC Spano
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 229, U728-U728
 2005

Electromagnetically Induced Transparency in Open Molecular Systems

J Magnes, T Kirova, A Lazoudis, AM Lyyra, A Hansson, FC Spano, …
Opt. Commun.
 2005

Measurement of the X 1Σg+→ A 1Σu+ of Na2 Transition Dipole Moment by Autler Townes Splitting: Comparison of Three and Four Level System Excitation Schemes

L Li, A Hansson, P Qi, T Kirova, J Qi, A Lazoudis, FC Spano, S Magnier, …
 
 2005

Erratum: “Temperature dependent exciton emission from herringbone aggregates of conjugated oligomers” [J. Chem. Phys. 120, 7643 (2004)]

FC Spano
The Journal of Chemical Physics 121 (11), 5555-5555
 2004

Photophysical properties of oligothiophene thin films.

FC Spano, Z Zhao
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 228, U498-U498
 2004

Analysis of the vibronic fine structure in circularly polarized emission spectra from chiral molecular aggregates

FC Spano, Z Zhao, SCJ Meskers
The Journal of chemical physics 120 (22), 10594-10604
 2004

Quantum state control using multiple CW lasers

T Kirova, AM Lyyra, FC Spano
International Quantum Electronics Conference, ITuI1
 2004

Temperature dependent exciton emission from herringbone aggregates of conjugated oligomers

FC Spano
The Journal of chemical physics 120 (16), 7643-7658
 2004

Exciton delocalization and superradiance in tetracene thin films and nanoaggregates

SH Lim, TG Bjorklund, FC Spano, CJ Bardeen
Physical review letters 92 (10), 107402
 2004

The fundamental photophysics of conjugated oligomer herringbone aggregates

FC Spano
The Journal of chemical physics 118 (2), 981-994
 2003

Absorption and emission in quaterthienyl thin films

H Sun, Z Zhao, FC Spano, D Beljonne, J Cornil, Z Shuai, JL Bredas
Advanced Materials 15, 818
 2003

Erratum: “Absorption and emission in pinwheel aggregates of oligo-phenylene vinylene molecules” [J. Chem. Phys. 114, 5376 (2001)]

FC Spano
The Journal of Chemical Physics 117 (21), 9961-9961
 2002

Measurement of Transition Dipole Moments in Molecular Lithium Using Electromagnetically Induced Transparency

A Lazoudis, J Qi, F Spano, T Kirova, J Magnes, L Li, L Narducci, R Field, …
APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts, H3. 012
 2002

Measurement of transition dipole moments in lithium dimers using electromagnetically induced transparency

J Qi, FC Spano, T Kirova, A Lazoudis, J Magnes, L Li, LM Narducci, …
Physical review letters 88 (17), 173003
 2002

Absorption and emission in oligo-phenylene vinylene nanoaggregates: The role of disorder and structural defects

FC Spano
The Journal of chemical physics 116 (13), 5877-5891
 2002

Aggregation Effects on Conjugated Oligomer Spectroscopy

FC Spano
APS March Meeting Abstracts, T11. 001
 2002

Atomic, Molecular, and Optical Physics-Measurement of Transition Dipole Moments in Lithium Dimers Using Electromagnetically Induced Transparency

J Qi, FC Spano, T Kirova, A Lazoudis, J Magnes, L Li, LM Narducci, …
Physical Review Letters 88 (17), 173003-173003
 2002

Prospects for all-optical alignment and quantum state control of nonpolar molecules

AM Lyyra, FC Spano, J Qi, T Kirova
 
 2002

Absorption and emission in pinwheel aggregates of oligo-phenylene vinylene molecules

FC Spano
The Journal of Chemical Physics 114 (12), 5376-5390
 2001

Emission in Pinwheel Aggregates of p-phenylene vinylene Oligomers

F Spano
APS March Meeting Abstracts, S9. 012
 2001

Autler Townes splitting and the AC Stark effect in nonpolar molecules: Prospects for all-optical alignment

AM Lyyra, J Qi, FC Spano
Canadian Journal of Physics 79 (2-3), 547-559
 2001

Absorption and fluorescence in distyrylbenzene nanoaggregates

FC Spano
Synthetic metals 116 (1-3), 339-342
 2001

Theory of sub-Doppler Autler–Townes splitting in molecules: Alignment and orientation of the angular momentum in nonpolar molecules

FC Spano
The Journal of Chemical Physics 114 (1), 276-288
 2001

Research paper published in 2000 and earlier

Emission from aggregates of oligo-phenylene vinylenes: a recipe for superradiant H-aggregates

FC Spano
Chemical Physics Letters 331 (1), 7-13
 2000

Coherence effects in a lithium molecule by high resolution multiple resonance laser spectroscopy

J Qi, L Li, LM Narducci, FC Spano, M Lyyra
APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts 14 …
 2000

EXCITONS IN PINWHEEL AGGREGATES OF TC-CONJUGATED MOLECULES

FC SPANO, S SIDDIQUI
Photoinduced Charge Transfer-Proceedings Of The 10th Annual Symposium Of The …
 2000

Exciton–vibrational coupling in pinwheel aggregates of π-conjugated molecules

FC Spano, S Siddiqui
Chemical physics letters 314 (5-6), 481-487
 1999

Aggregates of conjugated polymers and oligomers: A theoretical investigation.

FC Spano, MS Siddiqui
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 218, U290-U290
 1999

H-and J-aggregates of conjugated polymers and oligomers: A theoretical investigation

S Siddiqui, FC Spano
Chemical physics letters 308 (1-2), 99-105
 1999

Autler-Townes splitting in molecular lithium: Prospects for all-optical alignment of nonpolar molecules

J Qi, G Lazarov, X Wang, L Li, LM Narducci, AM Lyyra, FC Spano
Physical review letters 83 (2), 288
 1999

INVESTIGATION OF AUTLER-TOWNES SPLITTING AND AC STARK EFFECT IN A LITHIUM MOLECULE BY MULTI-PHOTON SPECTROSCOPY

J Qi, FC Spano, G Lazarov, J Wang, AM Lyyra, L Li, LM Narducci
Ohio State University
 1999

Absorption and spontaneous emission in aggregates of conjugated polymers

ES Manas, FC Spano
The Journal of chemical physics 109 (18), 8087-8101
 1998

Superradiance in model aggregates of Pi-conjugated oligomers.

ES Manas, FC Spano
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 215, U206-U206
 1998

Spontaneous emission and absorption in model aggregates of π-conjugated oligomers

MJ McIntire, ES Manas, FC Spano
The Journal of chemical physics 107 (19), 8152-8164
 1997

Third-order nonlinear optical properties of stacked bacteriochlorophylls in bacterial photosynthetic light-harvesting proteins

LXQ Chen, PD Laible, FC Spano, ES Manas
Nonlinear Optical Properties of Organic Materials X 3147, 178-184
 1997

Nonlinear optical response of cofacial phthalocyanine dimers and trimers

ES Manas, FC Spano, LX Chen
The Journal of chemical physics 107 (3), 707-719
 1997

Theory of biexcitons in conjugated polymers

FB Gallagher, FC Spano
Synthetic metals 85 (1-3), 1007-1010
 1997

State to state collision energy transfer in singlet states of Li2

S Antonova, K Urbanski, AM Lyyra, FC Spano, L Li
Chemical physics letters 267 (1-2), 158-164
 1997

Third Order Nonlinear Optical Properties of Stacked Bacteriochlorophylls in Bacterial Photosynthetic Light-harvesting Proteins

LX Chenº, PD Laible, FC Spano, ES Manas
Nonlinear Optical Properties of Organic Materials X: 30 July-1 August, 1997 …
 1997

Radiative Decay of Excitons in Model Aggregates of π-Conjugated Oligomers

ES Manas, FC Spano
MRS Online Proceedings Library Archive 488
 1997

Theory of pump-probe spectroscopy of molecular J-aggregates

J Knoester, FC Spano
Host Publication, World Scientific Publishing, 111-160
 1996

Theory of biexcitons in one-dimensional polymers

FB Gallagher, FC Spano
Physical Review B 53 (7), 3790
 1996

J-aggregates

J Knoester, FC Spano
World Scientific
 1996

Theory of coherent transient spectroscopy in molecular aggregates: The effects of interacting excitons

FC Spano, ES Manas
The Journal of chemical physics 103 (14), 5939-5955
 1995

BIEXCITON EFFECTS IN THE 2-PHOTON ABSORPTION-SPECTRA OF A ONE-DIMENSIONAL POLYMER

FB GALLAGHER, FC SPANO
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 210, 138-PHYS
 1995

Pump-probe spectroscopy in J-aggregates: interacting one-dimensional excitons

FC Spano
Quantum Electronics and Laser Science Conference, QWD30
 1995

Biexciton effects in the two-photon absorption spectrum of a one-dimensional polymer

FB Gallagher, FC Spano
Quantum Electronics and Laser Science Conference, QWD31
 1995

Unusual behavior of two-photon absorption from three-level molecules in a one-dimensional lattice

J Knoester, FC Spano
Physical review letters 74 (14), 2780
 1995

Pump-probe spectrum of interacting one-dimensional excitons: biexcitons and J-aggregates

FC Spano
Chemical physics letters 234 (1-3), 29-34
 1995

Nonlinear Opt. 1995, 12, 275.[CAS](23). Pump-probe spectroscopy in 1D Frenkel exciton chains: Applications to J-aggregates Spano, Frank C

FC Spano
MCLC S&T, Section B: Nonlinear Optics 12 (4), 275-99
 1995

Frenkel Biexcitons in 1D J-aggregates

FC Spano, ES Manas
MRS Online Proceedings Library Archive 413
 1995

Two-Photon Absorption of Biexcitons for a Truncated Potential

FB Gallagher, FC Spano
MRS Online Proceedings Library Archive 413
 1995

Erratum: Second hyperpolarizability of Hückel rings: Analytical results for size and alternation dependencies [J. Chem. Phys. 99, 9265 (1993)]

FC Spano, ZG Soos
The Journal of Chemical Physics 101 (9), 8267-8267
 1994

Second hyperpolarizability of one-dimensional semiconductors

FB Gallagher, FC Spano
Physical Review B 50 (8), 5370
 1994

Theory of strong-field pump—probe spectroscopy in J-aggregates

FC Spano
Chemical physics letters 220 (6), 365-370
 1994

Theory of the Faraday effect with weak laser pulses

BM Harvey, FC Spano
JOSA B 11 (7), 1177-1185
 1994

Nonlinear optical response of excitons in small ring clusters

FC Spano, FB Gallagher
Journal of luminescence 60, 749-752
 1994

Advances in Magnetic and Optical Resonance

FC Spano, J Knoester, WS Warren
Academic Press, New York
 1994

Nonlinear optical response of (AB) x chains

FC Spano
Journal of luminescence 58 (1-6), 392-395
 1994

Fermions on a Frenkel chain: Nonlinear optical response of linear aggregates

FC Spano, J Knoester
Adv. Magn. Opt. Reson 18, 117
 1994

Mean-field nonlinear optical susceptibility of charge-transfer crystals

FC Spano
Chemical physics letters 211 (4-5), 491-497
 1993

2ND HYPERPOLARIZABILITY OF HUCKEL RINGS – ANALYTICAL RESULTS FOR SIZE AND ALTERNATION DEPENDENCIES

FC Spano, ZG Soos
J. Chem. Phys. 99, 9265
 1993

Multiple-photon absorption and saturation in Frenkel-exciton chains

FC Spano
Physical Review B 46 (20), 13017
 1992

Weak field nonlinear optical response of fermions in Frenkel exciton chains

FC Spano
International Journal of Modern Physics B 6 (21), 3441-3467
 1992

Pulsed polarization spectroscopy with strong fields and an optically thick sample

FC Spano, KK Lehmann
Physical Review A 45 (11), 7997
 1992

Nonlinear optical response of one‐dimensional molecular crystals: Breakdown of the local field approximation

FC Spano
The Journal of chemical physics 96 (11), 8109-8116
 1992

Autler-Townes splitting and AC Stark shift in a diatomic alkali vapor

J Qi, G Lazarov, X Wang, AM Lyyra, FC Spano, L Li, LM Narducci
Technical Digest. Summaries of Papers Presented at the Quantum Electronics …
 1992

Erratum: Fermion excited states in one-dimensional molecular aggregates with site disorder: Nonlinear optical response [Phys. Rev. Lett. 67, 3424 (1991)]

FC Spano
Physical Review Letters 68 (19), 2976
 1992

Size dependence of excited-state dynamics for J-aggregates at silver bromide interfaces

AA Muenter, DV Brumbaugh, J Apolito, LA Horn, FC Spano, S Mukamel
The Journal of Physical Chemistry 96 (7), 2783-2790
 1992

Theory of anomalous photon echo decays in confined excitonic systems

FC Spano
The Journal of Physical Chemistry 96 (7), 2843-2848
 1992

Reply to the Comment on: Is multiple quantum nuclear magnetic resonance of water real?

WS WARREN, QH HE, M MCCOY, FC SPANO
Journal of Chemical Physics 96 (2), 1659-1661
 1992

Fermion excited states in one-dimensional molecular aggregates with site disorder: nonlinear optical response

FC Spano
Physical review letters 67 (24), 3424
 1991

Excitons in confined geometries: Size scaling of nonlinear susceptibilities

FC Spano, S Mukamel
The Journal of chemical physics 95 (10), 7526-7540
 1991

Biexciton states and two‐photon absorption in molecular monolayers

FC Spano, V Agranovich, S Mukamel
The Journal of chemical physics 95 (2), 1400-1409
 1991

Cooperative radiative dynamics in molecular aggregates

FC Spano, JR Kuklinski, S Mukamel
The Journal of chemical physics 94 (11), 7534-7544
 1991

EXCITONS IN CONFINED GEOMETRIES: SIZE SCALING OF THE NONLINEAR OPTICAL RESPONSE

FC Spano, S Mukamel
Quantum Electronics and Laser Science Conference, QPDP11
 1991

Cooperative nonlinear optical response of molecular aggregates: crossover to bulk behavior

FC Spano, S Mukamel
Physical review letters 66 (9), 1197
 1991

Coherence domains in the radiative dynamics of molecular aggregates

FC Spano, JR Kuklinski, S Mukamel, DV Brumbaugh, M Burberry, …
Molecular Crystals and Liquid Crystals 194 (1), 331-336
 1991

POLARIZATION SPECTROSCOPY IN THE LIMIT OF STRONG SATURATION

KK Lehmann, FC Spano
Ohio State University
 1991

Photon echo decays in optically dense media

FC Spano, WS Warren
The Journal of chemical physics 93 (3), 1546-1556
 1990

Temperature-dependent superradiant decay of excitons in small aggregates

FC Spano, JR Kuklinski, S Mukamel
Physical review letters 65 (2), 211
 1990

Erratum: Nonlinear susceptibilities of molecular aggregates: Enhancement of χ (3) by size

FC Spano, S Mukamel
Physical Review A 41 (9), 5243
 1990

Superradiant Effects in Photon Echo Decays-The Superradiant Echo

FC Spano, WS Warren
Coherence and Quantum Optics VI, 1113-1117
 1990

Temperature Dependent Superradiant Decay in Molecular Aggregates

FC Spano, JR Kuklinski, S Mukamel
Ultrafast Phenomena VII, 507-509
 1990

Phase conjugate degenerate four-wave mixing in molecular aggregates

FC Spano, S Mukamel
Journal of luminescence 45 (1-6), 412-415
 1990

Polaritons and Retarded Interactions in Nonlinear Optical Susceptibilities

S Mukamel, J Knoester, FC Spano
Coherence and Quantum Optics VI, 781-785
 1990

Nonlinear susceptibilities of molecular aggregates: Enhancement of χ (3) by size

FC Spano, S Mukamel
Physical Review A 40 (10), 5783
 1989

Superradiance in molecular aggregates

FC Spano, S Mukamel
The Journal of Chemical Physics 91 (2), 683-700
 1989

Coherence and Quantum Optics VI

ML Superfluorescence
Proceedings of the Sixth Rochester Conference on Coherence and Quantum …
 1989

Understanding dephasing in mixed molecular crystals. II. Semiclassical dephasing and superradiance for hundreds of coupled absorbers

FC Spano, WS Warren
The Journal of Chemical Physics 90 (11), 6034-6048
 1989

Optical dephasing in mixed molecular crystals, propagation of Gaussian pulses in optically thick media and injection locking of pulsed dye lasers.

FC Spano
 
 1989

Understanding dephasing in mixed molecular crystals. I. Photon echoes from dimers revisited

FC Spano, WS Warren
The Journal of chemical physics 89 (9), 5492-5497
 1988

Preparation of constant-bandwidth total inversion, independent of optical density, with phase-modulated laser pulses

FC Spano, WS Warren
Physical Review A 37 (3), 1013
 1988

Spectroscopic demonstration of picosecond, phase-shifted laser multiple-pulse sequences

F Spano, M Haner, WS Warren
Chemical physics letters 135 (1), 97-102
 1987

Theoretical Analysis Of Injection-Locked Dye Lasers: An Application To The Generation Of Optical Pulse Sequences With Phase Control

F Spano, WS Warren
Laser Applications in Chemistry and Biophysics 620, 52-56
 1986

Crafted pulses for the uniform suppression of a region in a coherent spectrum

JH Gutow, M McCoy, F Spano, WS Warren
Physical review letters 55 (10), 1090
 1985

Phase Coherent Laser Multiple-Pulse Spectroscopy

M Banash, F Loiza, F Spano, WS Warren
International Quantum Electronics Conference, ThFF2
 1984

High Power, Picosecond Phase Coherent Pulse Sequences by Injection Locking

F Spano, F Loaiza-Lemos, M Haner, WS Warren
Ultrafast Phenomena IV, 99-101
 1984

FOR A TRUNCATED POTENTIAL

FB Gallagher, FC Spano
 
  

Supplementary Material for “Cavity-controlled chemistry in molecular ensembles”

F Herrera, FC Spano
 
  

Physical Chemistry Seminar

FC Spano
 
  

Short-Range and Long-Range Excitonic Coupling in Molecular Aggregates: Organic Materials Design based on Sub Angstrom Packing Modifications

NJ Hestand, R Tempelaar, H Yamagata, TLC Jansen, J Knoester, …
 
  

In the infinite crystal our methodºl overcomes the difficulties associated with the local field, and the exciton or the external field approaches Pºl. Our approach is based on the

S Mukamel, J Knoester, FC Spano
 
  

Supporting Information for: Mapping the Evolution of Spatial Exciton Coherence through Time-Resolved Fluorescence

R Tempelaar, FC Spano, J Knoester, TLC Jansen
 
  

Supplemental Information: New Insights on the Nature of Two-dimensional Polarons in Semiconducting Polymers: Infrared Absorption in Poly (3-hexylthiophene)

CM Pochas, FC Spano
 
  

Supporting information for: The Anatomy of an Exciton: Vibrational Distortion and Exciton Coherence in H-and J-aggregates

R Tempelaar, A Stradomska, J Knoester, FC Spano