Molecular engineering to improve carrier lifetimes for organic photovoltaic devices with thick active layers

Stefan D Oosterhout, Wade A Braunecker, Zbyslaw R Owczarczyk, Alexander L Ayzner, Michael F Toney, Dana C Olson, Nikos Kopidakis
Organic Electronics 47, 57-65 (2017)

Exciton Relaxation in Highly Rigid Conjugated Polymers: Correlating Radiative Dynamics with Structural Heterogeneity and Wavefunction Delocalization

William R Hollingsworth, Jongbok Lee, Lei Fang, Alexander L Ayzner
American Chemical Society, DOI: 10.1021/acsenergylett.7b00535 (2017)

Toward a better understanding of conjugated polymer blends with non-spherical small molecules: coupling of molecular structure to polymer chain microstructure

Michael Roders, Vincent V Duong, Alexander L Ayzner
Journal of Materials Research 32 (10), 1935-1945 (2017)

Melt-Processing of Complementary Semiconducting Polymer Blends for High Performance Organic Transistors

Yan Zhao, Xikang Zhao, Michael Roders, Aristide Gumyusenge, Alexander L Ayzner, Jianguo Mei
Adv. Mater. Interfaces 29 (6), DOI: 10.1002/adma.201605056 (2017)

Exciton Transfer and Emergent Excitonic States in Oppositely-Charged Conjugated Polyelectrolyte Complexes

William R Hollingsworth, Carmen Segura, Jonathan Balderrama, Nathaniel Lopez, Pamela Schleissner, Alexander L Ayzner
J. Phys. Chem. B 120 (31), 7767–7774 (2016)

Photovoltaic devices including self-assembling fullerene derivatives for improved efficiencies

Sarah H Tolbert, Benjamin J Schwartz, Yves Rubin, Merissa Halim, Darcy Wanger, Christopher J Tassone, Alexander L Ayzner, Robert D Kennedy, Christopher Day
US Patent 9231214 B2 (2016)

Doped Interlayers for Improved Selectivity in Bulk Heterojunction Organic Photovoltaic Devices

Scott A Mauger, Melodie P Glasser, Bertrand J Tremolet de Villers, Vincent V Duong, Alexander L Ayzner, Dana C Olson
Adv. Mater. Interfaces 3 (2), DOI: 10.1002/admi.201500346 (2016)

A side-chain engineering approach to solvent-resistant semiconducting polymer thin films

Zi-Hao Guo, Na Ai, Connor Ryan McBroom, Tianyu Yuan, Yen-Hao Lin, Michael Roders, Congzhi Zhu, Alexander L Ayzner, Jian Pei, Lei Fang
Polym. Chem. 7, 648-655 (2016)

Complementary Semiconducting Polymer Blends for Efficient Charge Transport

Yan Zhao, Xikang Zhao, Michael Roders, Ge Qu, Ying Diao, Alexander L Ayzner, Jianguo Mei
Chem. Mater. 27 (20), 7164–7170 (2015)

Impact of the Crystallite Orientation Distribution on Exciton Transport in Donor–Acceptor Conjugated Polymers

Alexander L Ayzner, Jianguo Mei, Anthony Appleton, Dean DeLongchamp, Alexandre Nardes, Stephanie Benight, Nikos Kopidakis, Michael F Toney, Zhenan Bao
ACS Appl. Mater. Interfaces 7 (51), 28035–28041 (2015)

Effect of Solution Shearing Method on Packing and Disorder of Organic Semiconductor Polymers

Gaurav Giri, Dean M DeLongchamp, Julia Reinspach, Daniel A Fischer, Lee J Richter, Jie Xu, Stephanie Benight, Alex Ayzner, Mingqian He, Lei Fang, Gi Xue, Michael F Toney, Zhenan Bao
Chemistry of Materials 27 (7), 2350-2359 (2015)

Thermotropic phase transition of benzodithiophene copolymer thin films and its impact on electrical and photovoltaic characteristics

Sangwon Ko, Do Hwan Kim, Alexander L Ayzner, Stefan CB Mannsfeld, Eric Verploegen, Alexander M Nardes, Nikos Kopidakis, Michael F Toney, Zhenan Bao
Chemistry of Materials 27 (4), 1223-1232 (2015)

Few-layer, large-area, 2D covalent organic framework semiconductor thin films

Jeremy I Feldblyum, Clara H McCreery, Sean C Andrews, Tadanori Kurosawa, Elton JG Santos, Vincent Duong, Lei Fang, Alexander L Ayzner, Zhenan Bao
Chem. Commun. 51 (73), 13894-13897 (2015)

Significant Enhancement of Infrared Photodetector Sensitivity Using a Semiconducting Single‐Walled Carbon Nanotube/C60 Phototransistor

Steve Park, Soo Jin Kim, Ji Hyun Nam, Gregory Pitner, Tae Hoon Lee, Alexander L Ayzner, Huiliang Wang, Scott W Fong, Michael Vosgueritchian, Young Jun Park, Mark L Brongersma, Zhenan Bao
Advanced Materials 27 (4), 759-765 (2015)

Ultrafast Electron Transfer at Organic Semiconductor Interfaces: Importance of Molecular Orientation

AL Ayzner, D Nordlund, DH Kim, Z Bao, MF Toney
The Journal of Physical Chemistry Letters 6 (1), 6-12 (2014)

Ultra-high mobility transparent organic thin film transistors grown by an off-centre spin-coating method

J Mei, DH Kim, AL Ayzner, MF Toney, Z Bao
Journal of the American Chemical Society 133 (50), 20130-20133 (2014)

Sequentially solution-processed, nanostructured polymer photovoltaics using selective solvents

Do Hwan Kim, Jianguo Mei, Alexander L Ayzner, Kristin Schmidt, Gaurav Giri, Anthony L Appleton, Michael F Toney, Zhenan Bao
Advanced Materials 27 (4), 759-765 (2014)

Controlling the texture and crystallinity of evaporated lead phthalocyanine thin films for near-infrared sensitive solar cells

Karolien Vasseur, Katharina Broch, Alexander L Ayzner, Barry P Rand, David Cheyns, Christian Frank, Frank Schreiber, Michael F Toney, Ludo Froyen, Paul Heremans
ACS applied materials & interfaces 5 (17), 8505-8515s (2013)

Self-Assembling Semiconducting Polymers-Rods and Gels from Electronic Materials

Andrew P-Z Clark, Chenjun Shi, Benny C Ng, James N Wilking, Alexander L Ayzner, Adam Z Stieg, Benjamin J Schwartz, Thomas G Mason, Yves Rubin, Sarah H Tolbert
ACS nano 7 (2), 962-977 (2013)

Comparison of the Photovoltaic Characteristics and Nanostructure of Fullerenes Blended with Conjugated Polymers with Siloxane-Terminated and Branched Aliphatic Side Chains

Do Hwan Kim, Alexander L. Ayzner, Anthony L. Appleton, Kristin Schmidt, Jianguo Mei, Michael F. Toney, and Zhenan Bao
Chemistry of Materials 25 (3), 431-440 (2013)

A simple droplet pinning method for polymer film deposition for measuring charge transport in a thin film transistor

Hanying Li, Jianguo Mei, Alexander L Ayzner, Michael F Toney, Jeffrey B-H Tok, Zhenan Bao
Organic Electronics 13 (11), 2450-2460 (2012)

Ultrafast Studies of exciton migration and polaron formation in sequentially solution-processed conjugated polymer/fullerene quasi-bilayer photovoltaics

Alexander L Ayzner, Stephanie C Doan, Bertrand Tremolet de Villers, Benjamin J Schwartz
The Journal of Physical Chemistry Letters 3 (16), 2281-2287 (2012)

Poly (3-hexylthiophene) and [6, 6]-Phenyl-C61-butyric acid methyl ester mixing in organic solar cells

Hyun Wook Ro, Bulent Akgun, Brendan T O’Connor, Matthew Hammond, R Joseph Kline, Chad R Snyder, Sushil K Satija, Alexander L Ayzner, Michael F Toney, Christopher L Soles, Dean M DeLongchamp
Macromolecules 45 (16), 6587-6599 (2012)

Molecular structure of interfacial human meibum films

Danielle L Leiske, Chad E Miller, Liat Rosenfeld, Colin Cerretani, Alexander Ayzner, Binhua Lin, Mati Meron, Michelle Senchyna, Howard A Ketelson, David Meadows, Sruthi Srinivasan, Lyndon Jones, Clayton J Radke, Michael F Toney, Gerald G Fuller
Langmuir 28 (32), 11858-11865 (2012)

Photoinduced Charge Carrier Generation and Decay in Sequentially Deposited Polymer/Fullerene Layers: Bulk Heterojunction vs Planar Interface

Alexandre M Nardes, Alexander L Ayzner, Scott R Hammond, Andrew J Ferguson, Benjamin J Schwartz, Nikos Kopidakis
The Journal of Physical Chemistry C 116 (13), 7293-7305 (2012)

5, 11-Conjugation-extended low-bandgap anthradithiophene-containing polymer exhibiting enhanced thin-film order and field-effect mobility

Ying Jiang, Jianguo Mei, Alexander L Ayzner, Michael F Toney, Zhenan Bao
Chemical Communications 48 (58), 7286-7288 (2012)

Siloxane-Terminated Solubilizing Side Chains: Bringing Conjugated Polymer Backbones Closer and Boosting Hole Mobilities in Thin-Film Transistors

Jianguo Mei, Do Hwan Kim, Alexander L. Ayzner, Michael F. Toney, and Zhenan Bao
Journal of the American Chemical Society 133 (50), 20130-20133 (2011)

Using pentaarylfullerenes to understand network formation in conjugated polymer-based bulk-heterojunction solar cells

Christopher J Tassone, Alexander L Ayzner, Robert D Kennedy, Merissa Halim, Monica So, Yves Rubin, Sarah H Tolbert, Benjamin J Schwartz
The Journal of Physical Chemistry C 115 (45), 22563-22571 (2011)

Reappraising the Need for Bulk Heterojunctions in Polymer−Fullerene Photovoltaics: The Role of Carrier Transport in All-Solution-Processed P3HT/PCBM Bilayer Solar Cells

Alexander L Ayzner, Christopher J Tassone, Sarah H Tolbert, Benjamin J Schwartz
The Journal of Physical Chemistry C 113 (46), 20050-20060 (2009)

Self-assembling fullerenes for improved bulk-heterojunction photovoltaic devices

Robert D Kennedy, Alexander L Ayzner, Darcy D Wanger, Christopher T Day, Merissa Halim, Saeed I Khan, Sarah H Tolbert, Benjamin J Schwartz, Yves Rubin
Journal of the American Chemical Society 130 (51), 17290-17292 (2008)

Room to improve conjugated polymer-based solar cells: understanding how thermal annealing affects the fullerene component of a bulk heterojunction photovoltaic device

Alexander L Ayzner, Darcy D Wanger, Christopher J Tassone, Sarah H Tolbert, Benjamin J Schwartz
The Journal of Physical Chemistry C 112 (48), 18711-18716 (2008)