Cascaded energy landscape as a key driver for slow yet efficient charge separation with small energy offset in organic solar cells

Single-layered organic photovoltaics with double cascading charge transport pathways: 18% efficiencies

(2021) Ming Zhang et al.   Nature Communications

A History and Perspective of Non‐Fullerene Electron Acceptors for Organic Solar Cells

(2021) Ardalan Armin et al.   Advanced Energy Materials

Explaining the Fill‐Factor and Photocurrent Losses of Nonfullerene Acceptor‐Based Solar Cells by Probing the Long‐Range Charge Carrier Diffusion and Drift Lengths

(2021) Nurlan Tokmoldin et al.   Advanced Energy Materials

Quantification of Temperature‐Dependent Charge Separation and Recombination Dynamics in Non‐Fullerene Organic Photovoltaics

(2021) Christopher C. S. Chan et al.   ADVANCED FUNCTIONAL MATERIALS

Organic Solar Cells with 18% Efficiency Enabled by an Alloy Acceptor: A Two‐in‐One Strategy

(2021) Feng Liu et al.   ADVANCED MATERIALS

Singlet and Triplet Excited-State Dynamics of a Nonfullerene Electron Acceptor Y6

(2021) Shin-ichiro Natsuda et al.   Journal of Physical Chemistry C

A Thiadiazole‐Based Conjugated Polymer with Ultradeep HOMO Level and Strong Electroluminescence Enables 18.6% Efficiency in Organic Solar Cell

(2021) Tao Zhang et al.   Advanced Energy Materials

Marcus Hole Transfer Governs Charge Generation and Device Operation in Nonfullerene Organic Solar Cells

(2021) Guanqing Zhou et al.   ACS Energy Letters

Direct Observation of the Charge Transfer States from a Non-Fullerene Organic Solar Cell with a Small Driving Force

(2021) Peng Wan et al.   Journal of Physical Chemistry Letters

The role of charge recombination to triplet excitons in organic solar cells

(2021) Alexander J. Gillett et al.   NATURE

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

Delocalization boosts charge separation in organic solar cells

(2020) Yasunari Tamai   POLYMER JOURNAL

Charge Separation from an Intra-Moiety Intermediate State in the High-Performance PM6:Y6 Organic Photovoltaic Blend

(2020) Rui Wang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Delocalization of exciton and electron wavefunction in non-fullerene acceptor molecules enables efficient organic solar cells

(2020) Guichuan Zhang et al.   Nature Communications

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

(2020) Akchheta Karki et al.   Advanced Energy Materials

Role of Energy Offset in Nonradiative Voltage Loss in Organic Solar Cells

(2020) Toshiharu Saito et al.   Solar RRL

Intrinsic efficiency limits in low-bandgap non-fullerene acceptor organic solar cells

(2020) Safakath Karuthedath et al.   NATURE MATERIALS

Putting Order into PM6:Y6 Solar Cells to Reduce the Langevin Recombination in 400 nm Thick Junction

(2020) Seyed Mehrdad Hosseini et al.   Solar RRL

The Path to 20% Power Conversion Efficiencies in Nonfullerene Acceptor Organic Solar Cells

(2020) Akchheta Karki et al.   Advanced Energy Materials

Quantifying Quasi‐Fermi Level Splitting and Open‐Circuit Voltage Losses in Highly Efficient Nonfullerene Organic Solar Cells

(2020) Le Quang Phuong et al.   Solar RRL

Impact of molecular quadrupole moments on the energy levels at organic heterojunctions

(2019) Martin Schwarze et al.   Nature Communications

Suppression of Recombination Losses in Polymer:Nonfullerene Acceptor Organic Solar Cells due to Aggregation Dependence of Acceptor Electron Affinity

(2019) Hyojung Cha 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

The Cost of Converting Excitons into Free Charge Carriers in Organic Solar Cells

(2019) Koen Vandewal et al.   Journal of Physical Chemistry Letters

Accurate Determination of the Minimum HOMO Offset for Efficient Charge Generation using Organic Semiconducting Alloys

(2019) Jianyun Zhang et al.   Advanced Energy Materials

Organic Photovoltaics over Three Decades

(2018) Olle Inganäs   ADVANCED MATERIALS

Nonfullerene Acceptor Molecules for Bulk Heterojunction Organic Solar Cells

(2018) Guangye Zhang et al.   CHEMICAL REVIEWS

Critical review of the molecular design progress in non-fullerene electron acceptors towards commercially viable organic solar cells

(2018) Andrew Wadsworth et al.   CHEMICAL SOCIETY REVIEWS

Organic solar cells based on non-fullerene acceptors

(2018) Jianhui Hou et al.   NATURE MATERIALS

Order enables efficient electron-hole separation at an organic heterojunction with a small energy loss

(2018) S. Matthew Menke et al.   Nature Communications

Unexpectedly Slow Yet Efficient Picosecond to Nanosecond Photoinduced Hole-Transfer Occurs in a Polymer/Nonfullerene Acceptor Organic Photovoltaic Blend

(2018) Yun Liu et al.   ACS Energy Letters

Visualizing excitations at buried heterojunctions in organic semiconductor blends

(2017) Andreas C. Jakowetz et al.   NATURE MATERIALS

Interfacial Charge Transfer States in Condensed Phase Systems

(2016) Koen Vandewal   Annual Review of Physical Chemistry

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

Light-Induced Degradation Mechanism in Poly(3-hexylthiophene)/Fullerene Blend Solar Cells

(2016) Yasunari Tamai et al.   Advanced Energy Materials

Harvesting the Full Potential of Photons with Organic Solar Cells

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

Exciton Diffusion in Conjugated Polymers: From Fundamental Understanding to Improvement in Photovoltaic Conversion Efficiency

(2015) Yasunari Tamai et al.   Journal of Physical Chemistry Letters

High-efficiency polymer solar cells with small photon energy loss

(2015) Kazuaki Kawashima et al.   Nature Communications

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

High Open Circuit Voltage in Regioregular Narrow Band Gap Polymer Solar Cells

(2014) Ming Wang et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Charge-carrier generation in organic solar cells using crystalline donor polymers

(2014) Yasunari Tamai et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Charge generation in polymer–fullerene bulk-heterojunction solar cells

(2014) Feng Gao et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Charge Photogeneration for a Series of Thiazolo-Thiazole Donor Polymers Blended with the Fullerene Electron Acceptors PCBM and ICBA

(2013) Safa Shoaee et al.   ADVANCED FUNCTIONAL MATERIALS

Ultrafast Long-Range Charge Separation in Organic Semiconductor Photovoltaic Diodes

(2013) S. Gelinas et al.   SCIENCE

Factors Limiting Device Efficiency in Organic Photovoltaics

(2012) René A. J. Janssen et al.   ADVANCED MATERIALS

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

(2012) A. A. Bakulin et al.   SCIENCE

Charge Photogeneration in Organic Solar Cells

(2010) Tracey M. Clarke et al.   CHEMICAL REVIEWS

Charge-Transfer States and Upper Limit of the Open-Circuit Voltage in Polymer:Fullerene Organic Solar Cells

(2010) Koen Vandewal et al.   IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS

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

(2010) Koen Vandewal et al.   PHYSICAL REVIEW B