Conjugated Block Copolymers as Model Systems to Examine Mechanisms of Charge Generation in Donor-Acceptor Materials

Bulk Heterojunction Solar Cells: Impact of Minor Structural Modifications to the Polymer Backbone on the Polymer-Fullerene Mixing and Packing and on the Fullerene-Fullerene Connecting Network

(2018) Tonghui Wang et al.   ADVANCED FUNCTIONAL MATERIALS

Quantitative relations between interaction parameter, miscibility and function in organic solar cells

(2018) Long Ye et al.   NATURE MATERIALS

Optimisation of processing solvent and molecular weight for the production of green-solvent-processed all-polymer solar cells with a power conversion efficiency over 9%

(2017) Baobing Fan et al.   Energy & Environmental Science

Charge Separation in Intermixed Polymer:PC70BM Photovoltaic Blends: Correlating Structural and Photophysical Length Scales as a Function of Blend Composition

(2017) Hendrik Utzat et al.   Journal of Physical Chemistry C

Influence of Anion Delocalization on Electron Transfer in a Covalent Porphyrin Donor–Perylenediimide Dimer Acceptor System

(2017) Patrick E. Hartnett et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Glass Transition Temperature of Conjugated Polymers by Oscillatory Shear Rheometry

(2017) Renxuan Xie et al.   MACROMOLECULES

Chain conformations and phase behavior of conjugated polymers

(2017) Brooke Kuei et al.   Soft Matter

From Fullerene–Polymer to All-Polymer Solar Cells: The Importance of Molecular Packing, Orientation, and Morphology Control

(2016) Hyunbum Kang et al.   ACCOUNTS OF CHEMICAL RESEARCH

Correlation between Photovoltaic Performance and Interchain Ordering Induced Delocalization of Electronics States in Conjugated Polymer Blends

(2016) Naresh Chandrasekaran et al.   ACS Applied Materials & Interfaces

Side Chain Optimization of Naphthalenediimide-Bithiophene-Based Polymers to Enhance the Electron Mobility and the Performance in All-Polymer Solar Cells

(2016) Wonho Lee et al.   ADVANCED FUNCTIONAL MATERIALS

Molecular Rectification in Conjugated Block Copolymer Photovoltaics

(2016) Christopher Grieco et al.   Journal of Physical Chemistry C

What Controls the Rate of Ultrafast Charge Transfer and Charge Separation Efficiency in Organic Photovoltaic Blends

(2016) Andreas C. Jakowetz et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Tight binding model of conformational disorder effects on the optical absorption spectrum of polythiophenes

(2016) Joel H. Bombile et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Effect of Molecular Packing and Charge Delocalization on the Nonradiative Recombination of Charge-Transfer States in Organic Solar Cells

(2016) Xian-Kai Chen et al.   Advanced Energy Materials

Unraveling the real structures of solution-based and surface-bound poly(3-hexylthiophene) (P3HT) oligomers: a combined theoretical and experimental study

(2016) Dalila Khlaifia et al.   RSC Advances

Linking Group Influences Charge Separation and Recombination in All-Conjugated Block Copolymer Photovoltaics

(2015) Jorge W. Mok et al.   ADVANCED FUNCTIONAL MATERIALS

Nonfullerene Polymer Solar Cells with 8.5% Efficiency Enabled by a New Highly Twisted Electron Acceptor Dimer

(2015) Ye-Jin Hwang et al.   ADVANCED MATERIALS

Electronic States at the Interface between Crystalline and Amorphous Domains in Conjugated Polymers

(2015) Marko Mladenović et al.   Journal of Physical Chemistry C

Enhancing Phase Separation and Photovoltaic Performance of All-Conjugated Donor–Acceptor Block Copolymers with Semifluorinated Alkyl Side Chains

(2015) Florian Lombeck et al.   MACROMOLECULES

On the role of local charge carrier mobility in the charge separation mechanism of organic photovoltaics

(2015) Saya Yoshikawa et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Structure of P3HT crystals, thin films, and solutions by UV/Vis spectral analysis

(2015) Marcus Böckmann et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Flexible, highly efficient all-polymer solar cells

(2015) Taesu Kim et al.   Nature Communications

Beyond Langevin Recombination: How Equilibrium Between Free Carriers and Charge Transfer States Determines the Open-Circuit Voltage of Organic Solar Cells

(2015) Timothy M. Burke et al.   Advanced Energy Materials

25th Anniversary Article: High-Mobility Hole and Electron Transport Conjugated Polymers: How Structure Defines Function

(2014) Yoann Olivier et al.   ADVANCED MATERIALS

Charge Transfer in Single Chains of a Donor–Acceptor Conjugated Tri-Block Copolymer

(2014) Emma N. Hooley et al.   JOURNAL OF PHYSICAL CHEMISTRY B

Molecular Packing in Organic Solar Cell Materials: Insights from the Emission Line Shapes of P3HT/PCBM Polymer Blend Nanoparticles

(2014) Angela M. Crotty et al.   Journal of Physical Chemistry C

Characterization of the Polymer Energy Landscape in Polymer:Fullerene Bulk Heterojunctions with Pure and Mixed Phases

(2014) Sean Sweetnam et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Relationship between Interchain Interaction, Exciton Delocalization, and Charge Separation in Low-Bandgap Copolymer Blends

(2014) Zhi Guo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Predicting Chain Dimensions of Semiflexible Polymers from Dihedral Potentials

(2014) Wenlin Zhang et al.   MACROMOLECULES

Coherent ultrafast charge transfer in an organic photovoltaic blend

(2014) S. M. Falke et al.   SCIENCE

Delocalization and dielectric screening of charge transfer states in organic photovoltaic cells

(2014) B. Bernardo et al.   Nature Communications

Domain Compositions and Fullerene Aggregation Govern Charge Photogeneration in Polymer/Fullerene Solar Cells

(2014) Sameer Vajjala Kesava et al.   Advanced Energy Materials

How High Local Charge Carrier Mobility and an Energy Cascade in a Three-Phase Bulk Heterojunction Enable >90% Quantum Efficiency

(2013) Timothy M. Burke et al.   ADVANCED MATERIALS

On the role of intermixed phases in organic photovoltaic blends

(2013) Paul Westacott et al.   Energy & Environmental Science

Femtosecond Dynamics of Excitons and Hole-Polarons in Composite P3HT/PCBM Nanoparticles

(2013) Scott N. Clafton et al.   JOURNAL OF PHYSICAL CHEMISTRY B

Control of Intrachain Charge Transfer in Model Systems for Block Copolymer Photovoltaic Materials

(2013) Kerr Johnson et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Conjugated Block Copolymer Photovoltaics with near 3% Efficiency through Microphase Separation

(2013) Changhe Guo et al.   NANO LETTERS

A general relationship between disorder, aggregation and charge transport in conjugated polymers

(2013) Rodrigo Noriega et al.   NATURE MATERIALS

Efficient charge generation by relaxed charge-transfer states at organic interfaces

(2013) Koen Vandewal et al.   NATURE MATERIALS

Chain conformations dictate multiscale charge transport phenomena in disordered semiconducting polymers

(2013) R. Noriega et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Ultrafast Long-Range Charge Separation in Organic Semiconductor Photovoltaic Diodes

(2013) S. Gelinas et al.   SCIENCE

Molecular origin of high field-effect mobility in an indacenodithiophene–benzothiadiazole copolymer

(2013) Xinran Zhang et al.   Nature Communications

Signatures of Multiphase Formation in the Active Layer of Organic Solar Cells from Resonant Soft X-ray Scattering

(2013) Changhe Guo et al.   ACS Macro Letters

Charge-Transfer State Dynamics Following Hole and Electron Transfer in Organic Photovoltaic Devices

(2012) Artem A. Bakulin et al.   Journal of Physical Chemistry Letters

The Role of Driving Energy and Delocalized States for Charge Separation in Organic Semiconductors

(2012) A. A. Bakulin et al.   SCIENCE

The Importance of Fullerene Percolation in the Mixed Regions of Polymer-Fullerene Bulk Heterojunction Solar Cells

(2012) Jonathan A. Bartelt et al.   Advanced Energy Materials

Fluorescence Quantum Yields of a Series of Red and Near-Infrared Dyes Emitting at 600−1000 nm

(2011) Knut Rurack et al.   ANALYTICAL CHEMISTRY

Constrained Density Functional Theory

(2011) Benjamin Kaduk et al.   CHEMICAL REVIEWS

Optoelectronic Properties and Charge Transfer in Donor–Acceptor All-Conjugated Diblock Copolymers

(2011) Ioan Botiz et al.   Journal of Physical Chemistry C

Entropy of Charge Separation in Organic Photovoltaic Cells: The Benefit of Higher Dimensionality

(2011) Brian A. Gregg   Journal of Physical Chemistry Letters

Effect of Crystallization on the Electronic Energy Levels and Thin Film Morphology of P3HT:PCBM Blends

(2011) Wing C. Tsoi et al.   MACROMOLECULES

Fullerenecrystallisation as a key driver of charge separation in polymer/fullerene bulk heterojunction solar cells

(2011) Fiona C. Jamieson et al.   Chemical Science

NWChem: A comprehensive and scalable open-source solution for large scale molecular simulations

(2010) M. Valiev et al.   COMPUTER PHYSICS COMMUNICATIONS

Effect of Annealing on P3HT:PCBM Charge Transfer and Nanoscale Morphology Probed by Ultrafast Spectroscopy

(2010) R. Alex Marsh et al.   NANO LETTERS

Molecular Understanding of Organic Solar Cells: The Challenges

(2009) Jean-Luc Brédas et al.   ACCOUNTS OF CHEMICAL RESEARCH

The Energy of Charge-Transfer States in Electron Donor-Acceptor Blends: Insight into the Energy Losses in Organic Solar Cells

(2009) Dirk Veldman et al.   ADVANCED FUNCTIONAL MATERIALS

PCBM concentration dependent morphology of P3HT in composite P3HT/PCBM nanoparticles

(2009) Zhongjian Hu et al.   CHEMICAL PHYSICS LETTERS

Excitonic versus electronic couplings in molecular assemblies: The importance of non-nearest neighbor interactions

(2009) Johannes Gierschner et al.   JOURNAL OF CHEMICAL PHYSICS

Analysis of the excited states of regioregular polythiophene P3HT

(2008) Steffan Cook et al.   Energy & Environmental Science