4.8 Review

Non-Radiative Recombination Energy Losses in Non-Fullerene Organic Solar Cells

Related references

Note: Only part of the references are listed.
Article Chemistry, Applied

Voltage loss analysis of novel non-fullerene acceptors with chlorinated non-conjugated thienyl chains

Jun-Nao Li et al.

Summary: Novel A-D-A type non-fullerene acceptors with chlorinated non-conjugated thienyl groups were designed and synthesized for the first time in this study. The chlorinated NFAs showed higher power conversion efficiency and suppressed non-radiative energy loss compared to the non-chlorinated analogues, indicating a new way to modify photovoltaic performance and reduce energy losses.

DYES AND PIGMENTS (2021)

Article Energy & Fuels

Solar cell efficiency tables (version 57)

Martin Green et al.

Summary: This article presents consolidated tables showing the highest independently confirmed efficiencies for solar cells and modules, including guidelines for inclusion of results and reviewing new entries since June 2020. It also includes charts showing efficiency improvements since 1993 and an updated list of recognized test centers.

PROGRESS IN PHOTOVOLTAICS (2021)

Article Chemistry, Physical

Revealing Morphology Evolution in Highly Efficient Bulk Heterojunction and Pseudo-Planar Heterojunction Solar Cells by Additives Treatment

Qiannan He et al.

Summary: This study demonstrates the impact of DIO on the crystallinity of IT-4F, introduces a new efficiency-determining factor, and shows that a more balanced CCLpolymer/CCLacceptor leads to improved charge mobility and better performance of OSCs.

ADVANCED ENERGY MATERIALS (2021)

Article Chemistry, Physical

Asymmetric Acceptors Enabling Organic Solar Cells to Achieve an over 17% Efficiency: Conformation Effects on Regulating Molecular Properties and Suppressing Nonradiative Energy Loss

Wei Gao et al.

Summary: This study demonstrates that adjusting the molecular conformation of Y6-type NFAs can lead to high efficiency and reduced energy loss in organic solar cells.

ADVANCED ENERGY MATERIALS (2021)

Article Energy & Fuels

Optimizing the Charge Carrier and Light Management of Nonfullerene Acceptors for Efficient Organic Solar Cells with Small Nonradiative Energy Losses

Yanan Shi et al.

Summary: This study investigates the impact of molecular structures and aggregation morphologies on the photovoltaic properties of organic solar cells based on nonfullerene acceptors. By designing and synthesizing various NFAs with different alkyl substituents and end groups, the research demonstrates that optimizing the molecular structures of NFAs can lead to improved energy levels and reduced energy losses in OSCs.

SOLAR RRL (2021)

Article Chemistry, Physical

Effect of Alkyl Chain Lengths of Highly Crystalline Nonfullerene Acceptors on Open-Circuit Voltage of All-Small-Molecule Organic Solar Cells

Jung-Hwa Park et al.

Summary: The study investigates the impact of alkyl chain length on the performance of all-small-molecule organic solar cells. It was found that increasing alkyl chain length led to a gradual increase in open-circuit voltage, attributed to the denser blend film formation with longer alkyl chain acceptors resulting in reduced voltage loss from nonradiative recombination.

ACS APPLIED ENERGY MATERIALS (2021)

Article Chemistry, Multidisciplinary

An Electron Acceptor Analogue for Lowering Trap Density in Organic Solar Cells

Yihang Zhang et al.

Summary: The introduction of BTPR as a third component in organic solar cells reduces the trap density, leading to significant improvements in PCE and energy loss. This offers new possibilities for achieving higher efficiency solar cells.

ADVANCED MATERIALS (2021)

Article Multidisciplinary Sciences

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

Alexander J. Gillett et al.

Summary: The majority of charge recombination in organic solar cells that use NFAs occurs through non-emissive NFA triplet excitons under open-circuit conditions, reducing the open-circuit voltage. Engineering substantial hybridization between NFA triplet excitons and spin-triplet charge-transfer excitons can suppress this non-radiative recombination pathway, potentially leading to organic solar cells with power conversion efficiencies of 20% or more.

NATURE (2021)

Article Chemistry, Multidisciplinary

Improving current and mitigating energy loss in ternary organic photovoltaics enabled by two well-compatible small molecule acceptors

Yanna Sun et al.

Summary: The study demonstrated the fabrication of ternary organic photovoltaic devices with significantly improved photovoltaic performance, achieving a high power conversion efficiency of 15.23%. The introduction of the near-infrared SMA 3TT-OCIC led to complementary absorption spectrum, narrow bandgap, and compatible crystallization property, contributing to the enhanced efficiency of the ternary devices.

SCIENCE CHINA-CHEMISTRY (2021)

Article Energy & Fuels

A Large-Bandgap Guest Material Enabling Improved Efficiency and Reduced Energy Loss for Ternary Polymer Solar Cells

Hang Yang et al.

Summary: The study involves the rational design and synthesis of a large-bandgap material IBR-F for ternary PSCs, which leads to an improved PCE and reduced energy loss. Experimental results demonstrate that the incorporation of IBR-F results in higher Voc, lower energy loss, and significantly improved PCE in the ternary PSCs.

SOLAR RRL (2021)

Article Nanoscience & Nanotechnology

π-Extended Nonfullerene Acceptors for Efficient Organic Solar Cells with a High Open-Circuit Voltage of 0.94 V and a Low Energy Loss of 0.49 eV

Junxiu Pan et al.

Summary: By adjusting the molecular structure of acceptors and the length of side chains, the performance of organic solar cells can be improved with reduced energy loss.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Chemistry, Multidisciplinary

Correlating Charge-Transfer State Lifetimes with Material Energetics in Polymer:Non-Fullerene Acceptor Organic Solar Cells

Yifan Dong et al.

Summary: Reducing the energy offset between the lowest exciton and charge-transfer states can suppress energy loss in polymer:NFA organic solar cells. The study found that as the energy loss decreases, the CT state lifetime decreases as well, indicating increased mixing and hybridization between CT states and shorter-lived singlet excitons. Achieving longer exciton and CT state lifetimes has the potential to enhance OSC efficiencies.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

Article Energy & Fuels

Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells

Chao Li et al.

Summary: The molecular design of acceptor and donor molecules has significantly advanced organic photovoltaics. By introducing branched alkyl chains in non-fullerene acceptors, favorable morphology in the active layer can be achieved, leading to a certified device efficiency of 17.9%. This modification can completely alter the molecular packing behavior of non-fullerene acceptors, resulting in improved structural order and charge transport in thin films.

NATURE ENERGY (2021)

Article Chemistry, Multidisciplinary

Single-Junction Organic Photovoltaic Cell with 19% Efficiency

Yong Cui et al.

Summary: By combining material design and ternary blending strategy, a maximum power conversion efficiency of 19.0% is achieved in single-junction OPV cells. Optimized active layer structure significantly improves the photovoltaic parameters, enhancing the performance and PCE values of the cells.

ADVANCED MATERIALS (2021)

Article Chemistry, Physical

Exploring the Charge Dynamics and Energy Loss in Ternary Organic Solar Cells with a Fill Factor Exceeding 80%

Yihan Zeng et al.

Summary: Ternary architecture shows potential in enhancing power conversion efficiencies of organic solar cells, with the fill factor generally below 78%. Studies indicate that effective exciton dissociation, enhanced charge transport, and suppressed recombination are crucial for achieving high-fill factor and low-energy loss in ternary cells.

ADVANCED ENERGY MATERIALS (2021)

Article Chemistry, Physical

Synergistically minimized nonradiative energy loss and optimized morphology achieved via the incorporation of small molecule donor in 17.7% efficiency ternary polymer solar cells

Qi Liu et al.

Summary: This study introduces a small molecule donor, BTTzR, into a state-of-the-art binary system to fabricate high-efficiency ternary polymer solar cells with low non-radiative energy loss. BTTzR forms an energy cascade with binary components to facilitate charge transfer, enhancing crystallization and domain purity of the blend.

NANO ENERGY (2021)

Editorial Material Multidisciplinary Sciences

Y6 and its derivatives: molecular design and physical mechanism

Qingya Wei et al.

NATIONAL SCIENCE REVIEW (2021)

Article Energy & Fuels

A unified description of non-radiative voltage losses in organic solar cells

Xian-Kai Chen et al.

Summary: Researchers provide a general description of non-radiative voltage losses and find that the latest organic solar cells based on non-fullerene acceptors can reduce this loss. The study shows that photoluminescence yield is a critical factor in determining the lower limit of non-radiative voltage losses.

NATURE ENERGY (2021)

Article Chemistry, Physical

Reduced non-radiative charge recombination enables organic photovoltaic cell approaching 19% efficiency

Pengqing Bi et al.

Summary: Introducing HDO-4Cl increased the exciton diffusion length in the acceptor phase, reducing non-radiative charge recombination and improving photon utilization efficiency in PBDB-TF: eC9-based OPV cells. This led to achieving a high-efficiency OPV cell with outstanding power conversion efficiency, demonstrating the effectiveness of regulating exciton behaviors in reducing energy loss.

JOULE (2021)

Review Materials Science, Multidisciplinary

Low-cost materials for organic solar cells

Fuwen Zhao et al.

Summary: Organic solar cells (OSCs) have attracted significant attention as a promising candidate for sustainable energy, with their power conversion efficiency (PCE) reaching over 18%. However, the challenge lies in developing low-cost high-performance materials and environmentally friendly processing methods to reduce cost for industrial-scale production.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

Article Chemistry, Multidisciplinary

A facile strategy for third-component selection in non-fullerene acceptor-based ternary organic solar cells

Yun Li et al.

Summary: The ternary strategy has been proven effective for enhancing the power conversion efficiency of organic solar cells. A new design principle for selecting the appropriate third component, such as the non-fullerene acceptor, has been proposed and shown to significantly improve efficiency. This approach offers a promising pathway for further enhancing the performance of ternary OSCs.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Physical

Ternary copolymers containing 3,4-dicyanothiophene for efficient organic solar cells with reduced energy loss

Yue Zhang et al.

Summary: The study focuses on reducing the energy loss in organic solar cells (OSCs) by introducing 3,4-dicyanothiophene (DCT), leading to significant efficiency improvement mainly through increasing the open-circuit voltage.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Article Chemistry, Multidisciplinary

Organic photovoltaic electron acceptors showing aggregation-induced emission for reduced nonradiative recombination

Yawen Li et al.

Summary: A facile method introduced in this study enables the generation of aggregation-induced emission (AIE) properties in fused-ring electron acceptors through tetraphenylethylene decoration. Organic solar cells (OSCs) based on the AIE photovoltaic materials exhibit reduced nonradiative energy loss during energy conversion, leading to improvements in open circuit voltage and device efficiency.

CHEMICAL COMMUNICATIONS (2021)

Article Chemistry, Multidisciplinary

Highly efficient fused ring electron acceptors based on a new undecacyclic core

Fuwen Zhao et al.

Summary: The development of two FREAs, IUIC-O and IUIC-T, based on an undecacyclic core has led to improvements in exciton dissociation and charge transport efficiency in organic solar cells. This is due to the higher extinction coefficient and more orderly molecular stacking of IUIC-T compared to IUIC-O, resulting in a higher power conversion efficiency of 13.05% in the PBDB-T:IUIC-T based OSC.

MATERIALS CHEMISTRY FRONTIERS (2021)

Review Chemistry, Multidisciplinary

Recent progress in reducing voltage loss in organic photovoltaic cells

Jingwen Wang et al.

Summary: This review summarizes recent progress in reducing voltage losses in organic photovoltaic (OPV) cells. The introduction of non-fullerene acceptors (NFAs) has been found to decrease voltage losses, while alignment of energy levels and improved illumination efficiencies in active layer blends can also help decrease voltage losses in OPV cells.

MATERIALS CHEMISTRY FRONTIERS (2021)

Article Chemistry, Multidisciplinary

An Effective Method for Recovering Nonradiative Recombination Loss in Scalable Organic Solar Cells

Zhi Xing et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Asymmetric Electron Acceptors for High-Efficiency and Low-Energy-Loss Organic Photovoltaics

Shuixing Li et al.

ADVANCED MATERIALS (2020)

Article Chemistry, Multidisciplinary

Tuning the Hybridization of Local Exciton and Charge-Transfer States in Highly Efficient Organic Photovoltaic Cells

Ye Xu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

Article Chemistry, Physical

Reduced Nonradiative Voltage Loss in Terpolymer Solar Cells

Qingzhen Bian et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

Article Chemistry, Multidisciplinary

Selenium Heterocyclic Electron Acceptor with Small Urbach Energy for As-Cast High-Performance Organic Solar Cells

Zhenzhen Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

Article Chemistry, Multidisciplinary

Reducing Voltage Losses in the A-DA'D-A Acceptor-Based Organic Solar Cells

Jun Yuan et al.

Article Chemistry, Multidisciplinary

Two compatible polymer donors contribute synergistically for ternary organic solar cells with 17.53% efficiency

Qiaoshi An et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

Review Chemistry, Physical

Emerging Approaches in Enhancing the Efficiency and Stability in Non-Fullerene Organic Solar Cells

Fuwen Zhao et al.

ADVANCED ENERGY MATERIALS (2020)

Article Chemistry, Multidisciplinary

Highly Efficient Fullerene-Free Organic Solar Cells Operate at Near Zero Highest Occupied Molecular Orbital Offsets

Shuixing Li et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Chemistry, Multidisciplinary

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

Flurin D. Eisner et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Multidisciplinary Sciences

Enabling low voltage losses and high photocurrent in fullerene-free organic photovoltaics

Jun Yuan et al.

NATURE COMMUNICATIONS (2019)

Article Chemistry, Multidisciplinary

14.7% Efficiency Organic Photovoltaic Cells Enabled by Active Materials with a Large Electrostatic Potential Difference

Huifeng Yao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Chemistry, Physical

Ternary Organic Solar Cells with Small Nonradiative Recombination Loss

Yuanpeng Xie et al.

ACS ENERGY LETTERS (2019)

Editorial Material Chemistry, Physical

Pushing to the Limit: Radiative Efficiencies of Recent Mainstream and Emerging Solar Cells

Martin A. Green et al.

ACS ENERGY LETTERS (2019)

Article Chemistry, Physical

Reduced Nonradiative Energy Loss Caused by Aggregation of Nonfullerene Acceptor in Organic Solar Cells

Yunpeng Qin et al.

ADVANCED ENERGY MATERIALS (2019)

Review Chemistry, Multidisciplinary

Nonfullerene Acceptor Molecules for Bulk Heterojunction Organic Solar Cells

Guangye Zhang et al.

CHEMICAL REVIEWS (2018)

Article Chemistry, Physical

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

Deping Qian et al.

NATURE MATERIALS (2018)

Review Chemistry, Physical

Organic solar cells based on non-fullerene acceptors

Jianhui Hou et al.

NATURE MATERIALS (2018)

Article Chemistry, Physical

Key Tradeoffs Limiting the Performance of Organic Photovoltaics

Ivan Ramirez et al.

ADVANCED ENERGY MATERIALS (2018)

Article Chemistry, Physical

Design of Nonfullerene Acceptors with Near-Infrared Light Absorption Capabilities

Jaewon Lee et al.

ADVANCED ENERGY MATERIALS (2018)

Review Nanoscience & Nanotechnology

Non-fullerene acceptors for organic solar cells

Cenqi Yan et al.

NATURE REVIEWS MATERIALS (2018)

Article Multidisciplinary Sciences

Assessing the nature of the charge-transfer electronic states in organic solar cells

Xian-Kai Chen et al.

NATURE COMMUNICATIONS (2018)

Article Chemistry, Multidisciplinary

Enhancing the performance of the electron acceptor ITIC-Th via tailoring its end groups

Zeyuan Li et al.

MATERIALS CHEMISTRY FRONTIERS (2018)

Article Chemistry, Physical

Understanding Energy Loss in Organic Solar Cells: Toward a New Efficiency Regime

S. Matthew Menke et al.

JOULE (2018)

Article Multidisciplinary Sciences

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

Niva A. Ran et al.

NATURE COMMUNICATIONS (2017)

Article Energy & Fuels

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

Johannes Benduhn et al.

NATURE ENERGY (2017)

Article Chemistry, Multidisciplinary

Single-Junction Binary-Blend Nonfullerene Polymer Solar Cells with 12.1% Efficiency

Fuwen Zhao et al.

ADVANCED MATERIALS (2017)

Review Chemistry, Multidisciplinary

Open circuit voltage of organic solar cells: an in-depth review

Naveen Kumar Elumalai et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

Article Chemistry, Multidisciplinary

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

D. Baran et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

Article Chemistry, Multidisciplinary

A Facile Planar Fused-Ring Electron Acceptor for As-Cast Polymer Solar Cells with 8.71% Efficiency

Yuze Lin et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

Article Chemistry, Multidisciplinary

An Electron Acceptor Challenging Fullerenes for Efficient Polymer Solar Cells

Yuze Lin et al.

ADVANCED MATERIALS (2015)

Review Chemistry, Multidisciplinary

Recent Advances in Bulk Heterojunction Polymer Solar Cells

Luyao Lu et al.

CHEMICAL REVIEWS (2015)

Article Physics, Applied

Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells

Jizhong Yao et al.

PHYSICAL REVIEW APPLIED (2015)

Review Optics

Polymer solar cells

Gang Li et al.

NATURE PHOTONICS (2012)

Article Materials Science, Multidisciplinary

Relationship between energetic disorder and open-circuit voltage in bulk heterojunction organic solar cells

James C. Blakesley et al.

PHYSICAL REVIEW B (2011)

Review Chemistry, Multidisciplinary

Molecular Semiconductors in Organic Photovoltaic Cells

Alexander W. Hains et al.

CHEMICAL REVIEWS (2010)

Review Chemistry, Multidisciplinary

Charge Photogeneration in Organic Solar Cells

Tracey M. Clarke et al.

CHEMICAL REVIEWS (2010)

Review Chemistry, Multidisciplinary

Charge-Transfer Excitons at Organic Semiconductor Surfaces and Interfaces

X. -Y. Zhu et al.

ACCOUNTS OF CHEMICAL RESEARCH (2009)

Review Chemistry, Multidisciplinary

Critical Interfaces in Organic Solar Cells and Their Influence on the Open-Circuit Voltage

William J. Potscavage et al.

ACCOUNTS OF CHEMICAL RESEARCH (2009)

Review Chemistry, Multidisciplinary

Molecular Understanding of Organic Solar Cells: The Challenges

Jean-Luc Bredas et al.

ACCOUNTS OF CHEMICAL RESEARCH (2009)

Article Chemistry, Multidisciplinary

Molecular and Morphological Influences on the Open Circuit Voltages of Organic Photovoltaic Devices

M. Dolores Perez et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2009)

Article Chemistry, Physical

On the origin of the open-circuit voltage of polymer-fullerene solar cells

Koen Vandewal et al.

NATURE MATERIALS (2009)

Article Polymer Science

Organic light-emitting diode (OLED) technology: materials, devices and display technologies

Bernard Geffroy et al.

POLYMER INTERNATIONAL (2006)