Unifying Charge Generation, Recombination, and Extraction in Low‐Offset Non‐Fullerene Acceptor Organic Solar Cells

Crucial Role of Fluorine in Fully Alkylated Ladder-Type Carbazole-Based Nonfullerene Organic Solar Cells

(2020) Qiao He et al.   ACS Applied Materials & Interfaces

Barrierless Free Charge Generation in the High‐Performance PM6:Y6 Bulk Heterojunction Non‐Fullerene Solar Cell

(2020) Lorena Perdigón‐Toro et al.   ADVANCED MATERIALS

18% Efficiency organic solar cells

(2020) Qishi Liu et al.   Science Bulletin

Single‐Junction Organic Photovoltaic Cells with Approaching 18% Efficiency

(2020) Yong Cui et al.   ADVANCED MATERIALS

Achieving over 16% efficiency for single-junction organic solar cells

(2019) Baobing Fan et al.   Science China-Chemistry

Hybridization of Local Exciton and Charge-Transfer States Reduces Non-Radiative Voltage Losses in Organic Solar Cells

(2019) Flurin Eisner et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Direct Observation of the Relationship betweenMolecular Topology and Bulk Morphology for a π-Conjugated Material

(2019) Martin T. Seifrid et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Unifying Energetic Disorder from Charge Transport and Band Bending in Organic Semiconductors

(2019) Akchheta Karki et al.   ADVANCED FUNCTIONAL MATERIALS

Atomic-Level Insight into the Postsynthesis Band Gap Engineering of a Lewis Base Polymer Using Lewis Acid Tris(pentafluorophenyl)borane

(2019) Brett Yurash et al.   CHEMISTRY OF MATERIALS

Emissive and charge-generating donor–acceptor interfaces for organic optoelectronics with low voltage losses

(2019) Sascha Ullbrich et al.   NATURE MATERIALS

Noncovalent Close Contacts in Fluorinated Thiophene–Phenylene–Thiophene Conjugated Units: Understanding the Nature and Dominance of O···H versus S···F and O···F Interactions with Respect to the Control of Polymer Conformation

(2019) Tetiana Kharandiuk et al.   CHEMISTRY OF MATERIALS

Measuring Energetic Disorder in Organic Semiconductors Using the Photogenerated Charge-Separation Efficiency

(2019) Samantha Hood et al.   Journal of Physical Chemistry Letters

Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages

(2019) Yong Cui et al.   Nature Communications

Quantifying and Understanding Voltage Losses Due to Nonradiative Recombination in Bulk Heterojunction Organic Solar Cells with Low Energetic Offsets

(2019) Katie D. Rosenthal et al.   Advanced Energy Materials

Quantifying the Nongeminate Recombination Dynamics in Nonfullerene Bulk Heterojunction Organic Solar Cells

(2019) Joachim Vollbrecht et al.   Advanced Energy Materials

Understanding the High Performance of over 15% Efficiency in Single‐Junction Bulk Heterojunction Organic Solar Cells

(2019) Akchheta Karki et al.   ADVANCED MATERIALS

Strong light-matter coupling for reduced photon energy losses in organic photovoltaics

(2019) Vasileios C. Nikolis et al.   Nature Communications

Dithieno[3,2-b :2′,3′-d ]pyrrol Fused Nonfullerene Acceptors Enabling Over 13% Efficiency for Organic Solar Cells

(2018) Jia Sun et al.   ADVANCED MATERIALS

Barbiturate end-capped non-fullerene acceptors for organic solar cells: tuning acceptor energetics to suppress geminate recombination losses

(2018) Ching-Hong Tan et al.   CHEMICAL COMMUNICATIONS

Every Atom Counts: Elucidating the Fundamental Impact of Structural Change in Conjugated Polymers for Organic Photovoltaics

(2018) Chi Kin Lo et al.   CHEMISTRY OF MATERIALS

The Role of FRET in Non-Fullerene Organic Solar Cells: Implications for Molecular Design

(2018) Bhoj R. Gautam et al.   JOURNAL OF PHYSICAL CHEMISTRY A

Long-lived, Non-Geminate, Radiative Recombination of Photogenerated Charges in a Polymer:Small-Molecule Acceptor Photovoltaic Blend

(2018) Mark E Ziffer et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

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

(2018) Long Ye et al.   NATURE MATERIALS

Design rules for minimizing voltage losses in high-efficiency organic solar cells

(2018) Deping Qian et al.   NATURE MATERIALS

Organic solar cells based on non-fullerene acceptors

(2018) Jianhui Hou et al.   NATURE MATERIALS

Robust nonfullerene solar cells approaching unity external quantum efficiency enabled by suppression of geminate recombination

(2018) Derya Baran et al.   Nature Communications

Design of Nonfullerene Acceptors with Near-Infrared Light Absorption Capabilities

(2018) Jaewon Lee et al.   Advanced Energy Materials

Nongeminate Recombination in Organic Solar Cells

(2018) Clemens Göhler et al.   Advanced Electronic Materials

How to determine optical gaps and voltage losses in organic photovoltaic materials

(2018) K. Vandewal et al.   Sustainable Energy & Fuels

Measuring the competition between bimolecular charge recombination and charge transport in organic solar cells under operating conditions

(2018) Michael C. Heiber et al.   Energy & Environmental Science

Efficient Nonfullerene Organic Solar Cells with Small Driving Forces for Both Hole and Electron Transfer

(2018) Shangshang Chen et al.   ADVANCED MATERIALS

Fluorination with an enlarged dielectric constant prompts charge separation and reduces bimolecular recombination in non-fullerene organic solar cells with a high fill factor and efficiency > 13%

(2018) Xuning Zhang et al.   Nano Energy

Macroscopic Structural Compositions of π-Conjugated Polymers: Combined Insights from Solid-State NMR and Molecular Dynamics Simulations

(2017) Anton Melnyk et al.   Journal of Physical Chemistry Letters

Fused Nonacyclic Electron Acceptors for Efficient Polymer Solar Cells

(2017) Shuixing Dai et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enhancing the resolution of 1H and 13C solid-state NMR spectra by reduction of anisotropic bulk magnetic susceptibility broadening

(2017) Michael P. Hanrahan et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Donor–acceptor stacking arrangements in bulk and thin-film high-mobility conjugated polymers characterized using molecular modelling and MAS and surface-enhanced solid-state NMR spectroscopy

(2017) Sachin R. Chaudhari et al.   Chemical Science

Impact of interfacial molecular orientation on radiative recombination and charge generation efficiency

(2017) Niva A. Ran et al.   Nature Communications

Charge Generation and Recombination in an Organic Solar Cell with Low Energetic Offsets

(2017) Niva A. Ran et al.   Advanced Energy Materials

Intrinsic non-radiative voltage losses in fullerene-based organic solar cells

(2017) Johannes Benduhn et al.   Nature Energy

Limits for Recombination in a Low Energy Loss Organic Heterojunction

(2016) S. Matthew Menke et al.   ACS Nano

Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells

(2016) Huifeng Yao et al.   ADVANCED MATERIALS

Fullerene-Free Polymer Solar Cells with over 11% Efficiency and Excellent Thermal Stability

(2016) Wenchao Zhao et al.   ADVANCED MATERIALS

Reduced voltage losses yield 10% efficient fullerene free organic solar cells with >1 V open circuit voltages

(2016) D. Baran et al.   Energy & Environmental Science

Light dependent open-circuit voltage of organic bulk heterojunction solar cells in the presence of surface recombination

(2016) V.V. Brus   ORGANIC ELECTRONICS

Electronic structure of UV degradation defects in polysilanes studied by Energy Resolved – Electrochemical Impedance Spectroscopy

(2016) F. Schauer et al.   POLYMER DEGRADATION AND STABILITY

Capacitance Spectroscopy for Quantifying Recombination Losses in Nonfullerene Small-Molecule Bulk Heterojunction Solar Cells

(2016) Viktor V. Brus et al.   Advanced Energy Materials

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

Low Open-Circuit Voltage Loss in Solution-Processed Small-Molecule Organic Solar Cells

(2016) Sachetan M. Tuladhar et al.   ACS Energy Letters

Fast charge separation in a non-fullerene organic solar cell with a small driving force

(2016) Jing Liu et al.   Nature Energy

Harvesting the Full Potential of Photons with Organic Solar Cells

(2015) Niva A. Ran et al.   ADVANCED MATERIALS

Effect of leakage current and shunt resistance on the light intensity dependence of organic solar cells

(2015) Christopher M. Proctor et al.   APPLIED PHYSICS LETTERS

Interplay of Structure and Dynamics in Functional Macromolecular and Supramolecular Systems As Revealed by Magnetic Resonance Spectroscopy

(2015) Michael Ryan Hansen et al.   CHEMICAL REVIEWS

Site-Resolved Backbone and Side-Chain Intermediate Dynamics in a Carbohydrate-Binding Module Protein Studied by Magic-Angle Spinning NMR Spectroscopy

(2015) Hadar Ivanir-Dabora et al.   CHEMISTRY-A EUROPEAN JOURNAL

Influence of Backbone Fluorination in Regioregular Poly(3-alkyl-4-fluoro)thiophenes

(2015) Zhuping Fei et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Competition between recombination and extraction of free charges determines the fill factor of organic solar cells

(2015) Davide Bartesaghi et al.   Nature Communications

High-efficiency polymer solar cells with small photon energy loss

(2015) Kazuaki Kawashima et al.   Nature Communications

Molecular helices as electron acceptors in high-performance bulk heterojunction solar cells

(2015) Yu Zhong et al.   Nature Communications

Significance of Average Domain Purity and Mixed Domains on the Photovoltaic Performance of High-Efficiency Solution-Processed Small-Molecule BHJ Solar Cells

(2015) Subhrangsu Mukherjee et al.   Advanced Energy Materials

Understanding Open-Circuit Voltage Loss through the Density of States in Organic Bulk Heterojunction Solar Cells

(2015) Samuel D. Collins et al.   Advanced Energy Materials

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

Energy resolved electrochemical impedance spectroscopy for electronic structure mapping in organic semiconductors

(2014) V. Nádaždy et al.   APPLIED PHYSICS LETTERS

Quantifying Charge Extraction in Organic Solar Cells: The Case of Fluorinated PCPDTBT

(2014) Steve Albrecht et al.   Journal of Physical Chemistry Letters

Importance of the Donor:Fullerene Intermolecular Arrangement for High-Efficiency Organic Photovoltaics

(2014) Kenneth R. Graham et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Approaching disorder-free transport in high-mobility conjugated polymers

(2014) Deepak Venkateshvaran et al.   NATURE

Aggregation and morphology control enables multiple cases of high-efficiency polymer solar cells

(2014) Yuhang Liu et al.   Nature Communications

Measuring Order in Regioregular Poly(3-hexylthiophene) with Solid-State 13C CPMAS NMR

(2014) Ryan C. Nieuwendaal et al.   ACS Macro Letters

Solid-State NMR in Macromolecular Systems: Insights on How Molecular Entities Move

(2013) Michael Ryan Hansen et al.   ACCOUNTS OF CHEMICAL RESEARCH

Nongeminate Recombination and Charge Transport Limitations in Diketopyrrolopyrrole-Based Solution-Processed Small Molecule Solar Cells

(2013) Christopher M. Proctor et al.   ADVANCED FUNCTIONAL 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

Dynamics in Crystallites of Poly(ε-caprolactone) As Investigated by Solid-State NMR

(2013) Kerstin Schäler et al.   MACROMOLECULES

Improved Light Harvesting and Improved Efficiency by Insertion of an Optical Spacer (ZnO) in Solution-Processed Small-Molecule Solar Cells

(2013) Aung Ko Ko Kyaw et al.   NANO LETTERS

Charge carrier recombination in organic solar cells

(2013) Christopher M. Proctor et al.   PROGRESS IN POLYMER SCIENCE

Ultrafast Long-Range Charge Separation in Organic Semiconductor Photovoltaic Diodes

(2013) S. Gelinas et al.   SCIENCE

The Impact of Molecular Orientation on the Photovoltaic Properties of a Phthalocyanine/Fullerene Heterojunction

(2012) Barry P. Rand et al.   ADVANCED FUNCTIONAL MATERIALS

A Strategy for Revealing the Packing in Semicrystalline π-Conjugated Polymers: Crystal Structure of Bulk Poly-3-hexyl-thiophene (P3HT)

(2012) Dmytro Dudenko et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Polarization anisotropy of charge transfer absorption and emission of aligned polymer:fullerene blend films

(2012) Koen Vandewal et al.   PHYSICAL REVIEW B

Absolute Measurement of Domain Composition and Nanoscale Size Distribution Explains Performance in PTB7:PC71BM Solar Cells

(2012) Brian A. Collins et al.   Advanced Energy Materials

Accounting for Interference, Scattering, and Electrode Absorption to Make Accurate Internal Quantum Efficiency Measurements in Organic and Other Thin Solar Cells

(2010) George F. Burkhard et al.   ADVANCED MATERIALS

Relating the open-circuit voltage to interface molecular properties of donor:acceptor bulk heterojunction solar cells

(2010) Koen Vandewal et al.   PHYSICAL REVIEW B

Exciton-Dissociation and Charge-Recombination Processes in Pentacene/C60Solar Cells: Theoretical Insight into the Impact of Interface Geometry

(2009) Yuanping Yi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Intermediate motions as studied by solid-state separated local field NMR experiments

(2008) Eduardo Ribeiro deAzevedo et al.   JOURNAL OF CHEMICAL PHYSICS