4.7 Article

Tandem organic solar cells with efficiency over 19% via the careful subcell design and optimization

Related references

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

Realizing 19.05% Efficiency Polymer Solar Cells by Progressively Improving Charge Extraction and Suppressing Charge Recombination

Kaien Chong et al.

Summary: This work demonstrates highly efficient polymer solar cells by improving charge extraction and suppressing charge recombination through side-chain engineering, adopting ternary blends, and introducing volatilizable solid additives. The optimized molecular structure and blend morphology lead to improved fill factor and power conversion efficiency.

ADVANCED MATERIALS (2022)

Article Chemistry, Multidisciplinary

An asymmetric wide-bandgap acceptor simultaneously enabling highly efficient single-junction and tandem organic solar cells

Jianqiu Wang et al.

Summary: Ternary and tandem strategies were used to improve the photovoltaic performance of organic solar cells (OSCs). A nonfullerene acceptor named AITC was synthesized and showed good complementary absorption spectrum and miscibility with another acceptor BTP-eC9. The large dipole moment of AITC enhanced the molecular packing in the blend films, improving the photoconductivity and reducing charge recombination in ternary OSCs.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

Article Chemistry, Multidisciplinary

Efficient interface modification via multi-site coordination for improved efficiency and stability in organic solar cells

Runnan Yu et al.

Summary: By introducing an anthraquinone derivative to passivate the surface defects of SnO2 ETLs, this study optimized the work function and improved the conductivity of the SnO2 layer. Systematic theoretical analysis and characterization studies confirmed stable coordination interactions between SnO2 and 1-DPAQ, filling the oxygen vacancy and effectively inhibiting charge recombination while enhancing charge collection ability.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

Review Chemistry, Multidisciplinary

Recent progress in organic solar cells (Part I material science)

Yahui Liu et al.

Summary: In recent years, organic solar cells (OSCs) have made significant progress with power conversion efficiencies (PCEs) over 18%, showing promising practical applications. Key research focuses in the OSC field include development in material science and interface materials. The article systematically summarizes the recent progress in these areas and discusses current challenges and future developments.

SCIENCE CHINA-CHEMISTRY (2022)

Article Chemistry, Physical

Tandem Organic Solar Cell with 20.2% Efficiency

Zhong Zheng et al.

Summary: A advanced interconnecting layer for tandem organic solar cell is developed in this study. By controlling the O-2 flux during evaporation, efficient electron extraction and low Schottky barrier are obtained, enabling effective charge recombination between two subcells. The tandem cell with the interconnecting layer shows a high efficiency of 20.27%.

JOULE (2022)

Article Chemistry, Multidisciplinary

Single-Junction Organic Solar Cells with 19.17% Efficiency Enabled by Introducing One Asymmetric Guest Acceptor

Rui Sun et al.

Summary: The ternary strategy is an effective approach to achieve high-efficiency OSCs, but the nonradiative voltage loss limits further efficiency improvements. By incorporating an asymmetric guest acceptor BTP-2F2Cl, the OSCs show improved photoluminescence quantum yield, exciton diffusion length, and absorption spectrum, leading to enhanced power conversion efficiency.

ADVANCED MATERIALS (2022)

Article Chemistry, Physical

Single-junction organic solar cells with over 19% efficiency enabled by a refined double-fibril network morphology

Lei Zhu et al.

Summary: Morphological control of donor and acceptor domains is crucial for efficient organic photovoltaics, and this study demonstrates a double-fibril network strategy to achieve a high power conversion efficiency of 19.3%.

NATURE MATERIALS (2022)

Article Chemistry, Multidisciplinary

Lowing the energy loss of organic solar cells by molecular packing engineering via multiple molecular conjugation extension

Hongbin Chen et al.

Summary: This research introduces a highly efficient electron acceptor, CH17, with enhanced molecular conjugation extension, leading to improved molecular packing and photovoltaic performance in organic solar cells.

SCIENCE CHINA-CHEMISTRY (2022)

Review Chemistry, Multidisciplinary

Recent progress in organic solar cells (Part II device engineering)

Yahui Liu et al.

Summary: This review examines the rapid development of organic solar cells and highlights the importance of device engineering in achieving high power conversion efficiency. The challenges, problems, and future developments in this field are also discussed.

SCIENCE CHINA-CHEMISTRY (2022)

Article Chemistry, Multidisciplinary

Manipulating the D:A interfacial energetics and intermolecular packing for 19.2% efficiency organic photovoltaics

Chengliang He et al.

Summary: Manipulating the donor:acceptor energetics is crucial for achieving balanced charge separation and recombination in organic solar cells (OSCs). In this study, a non-fullerene electron acceptor, BTP-H2, was designed and synthesized to pair with the polymer donor PM6, showing strong intermolecular interaction and near-zero highest occupied molecular orbital (HOMO) offset. The results demonstrated efficient charge separation and optimized energy conversion, leading to high-performance OSCs with a power conversion efficiency (PCE) of 18.5% and a peak photon-to-electron response of approximately 90%.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

Article Chemistry, Physical

Tandem organic solar cells with 18.67% efficiency via careful subcell design and selection

Yuzhong Huang et al.

Summary: In this study, a novel wide bandgap acceptor F-ThBr was designed to achieve higher power conversion efficiency in tandem organic solar cells. By selecting and optimizing different subcell materials, a tandem OSC with a power conversion efficiency of 18.67% was constructed.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

Article Multidisciplinary Sciences

High performance tandem organic solar cells via a strongly infrared-absorbing narrow bandgap acceptor

Zhenrong Jia et al.

Summary: The study demonstrates a simple strategy of extending the conjugation length of acceptor Y6 to synthesize a new narrow bandgap acceptor BTPV-4F, which shows great potential in tandem organic solar cells. By using BTPV-4F in the rear cell, tandem devices achieved a high power conversion efficiency of over 16.4% with good photostability, addressing previous limitations in near-infrared absorbing materials for tandem organic solar cells.

NATURE COMMUNICATIONS (2021)

Review Chemistry, Physical

Low-Bandgap Non-fullerene Acceptors Enabling High-Performance Organic Solar Cells

Wei Liu et al.

Summary: Recent advancements in organic solar cells have been achieved with the introduction of non-fullerene acceptors (NFAs), which offer a wide absorption range and easily tunable energy levels. Efficient OSCs rely on good donor-acceptor compatibility, morphological control, and device engineering. Researchers have summarized design and synthesis strategies for NFAs, as well as proposed innovative solutions for material and device engineering to advance the development and applications of OSCs.

ACS ENERGY LETTERS (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 Chemistry, Multidisciplinary

Tandem Organic Solar Cells with 18.7% Efficiency Enabled by Suppressing the Charge Recombination in Front Sub-Cell

Gongchu Liu et al.

Summary: By developing an efficient interconnecting layer and adjusting the composition of the active layer, the research achieved an efficient TOSC with a high fill factor and excellent PCE.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

A Tandem Organic Photovoltaic Cell with 19.6% Efficiency Enabled by Light Distribution Control

Jianqiu Wang et al.

Summary: This study fabricated highly efficient double-junction tandem OPV cells by optimizing the photoactive layers and developing an effective method to tune optical field distribution. By fine-tuning the top photoactive layer, a PCE of 19.64% was achieved, the highest in the OPV field and certified as 19.50% by the National Institute of Metrology.

ADVANCED MATERIALS (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)

Review Nanoscience & Nanotechnology

Flexible Organic Solar Cells: Progress and Challenges

Yanna Sun et al.

Summary: Compared with inorganic photovoltaics, organic solar cells have the advantage of flexibility, but their power conversion efficiencies still need to be improved through optimization of electrodes, materials, and device structure.

SMALL SCIENCE (2021)

Article Chemistry, Physical

Improving quantum efficiency in organic solar cells with a small energetic driving force

Haiqin Liu et al.

Summary: The study revealed that a small energetic difference between the local excited state and the charge transfer state leads to low voltage loss, but results in a low short-circuit current density. By adding a polymer donor (PBDB-T) with similar chemical structure to PM7 in the ternary solar cells, the efficiency of the charge transfer state dissociation can be significantly improved, while maintaining the low voltage loss property of PM7:Y5.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Review Energy & Fuels

Suppression of Photovoltaic Losses in Efficient Tandem Organic Solar Cells (15.2%) with Efficient Transporting Layers and Light Management Approach

Mohammad Mahdi Tavakoli et al.

Summary: The study investigates the impact of transporting and recombination layers on the photovoltaic parameters of two-terminal tandem organic solar cells, finding that using SnO2 nanocrystals as an electron transporting layer and a specific recombination layer can significantly increase the fill factor and open circuit voltage.

ENERGY TECHNOLOGY (2021)

Article Multidisciplinary Sciences

18% Efficiency organic solar cells

Qishi Liu et al.

SCIENCE BULLETIN (2020)

Review Chemistry, Multidisciplinary

Acceptor-donor-acceptor type molecules for high performance organic photovoltaics - chemistry and mechanism

Xiangjian Wan et al.

CHEMICAL SOCIETY REVIEWS (2020)

Article Chemistry, Physical

Efficient Tandem Organic Photovoltaics with Tunable Rear Sub-cells

Pei Cheng et al.

JOULE (2019)

Article Engineering, Electrical & Electronic

Flexible organic photovoltaics based on water-processed silver nanowire electrodes

Yanna Sun et al.

NATURE ELECTRONICS (2019)

Article Chemistry, Multidisciplinary

Tackling Energy Loss for High-Efficiency Organic Solar Cells with Integrated Multiple Strategies

Lijian Zuo et al.

ADVANCED MATERIALS (2018)

Review Chemistry, Physical

Organic solar cells based on non-fullerene acceptors

Jianhui Hou et al.

NATURE MATERIALS (2018)

Article Multidisciplinary Sciences

Organic and solution-processed tandem solar cells with 17.3% efficiency

Lingxian Meng et al.

SCIENCE (2018)

Article Chemistry, Multidisciplinary

Recent progress of interconnecting layer for tandem organic solar cells

Shunmian Lu et al.

SCIENCE CHINA-CHEMISTRY (2017)

Article Chemistry, Physical

A Switchable Interconnecting Layer for High Performance Tandem Organic Solar Cell

Shunmian Lu et al.

ADVANCED ENERGY MATERIALS (2017)

Review Chemistry, Multidisciplinary

Highly efficient organic tandem solar cells: a follow up review

Tayebeh Ameri et al.

ENERGY & ENVIRONMENTAL SCIENCE (2013)

Article Multidisciplinary Sciences

A polymer tandem solar cell with 10.6% power conversion efficiency

Jingbi You et al.

NATURE COMMUNICATIONS (2013)

Article Chemistry, Multidisciplinary

High performance polymeric charge recombination layer for organic tandem solar cells

Yinhua Zhou et al.

ENERGY & ENVIRONMENTAL SCIENCE (2012)

Article Multidisciplinary Sciences

Efficient tandem polymer solar cells fabricated by all-solution processing

Jin Young Kim et al.

SCIENCE (2007)