journal article·2019-11

Carbon–Oxygen‐Bridged Ladder‐Type Building Blocks for Highly Efficient Nonfullerene Acceptors

Zuo Xiao, Shangfeng Yang, Zhou Yang, Junliang Yang, Hin‐Lap Yip, Fujun Zhang, Feng He, Tao Wang, Jizheng Wang, Yongbo Yuan, Huai Yang, Mingkui Wang, Liming Ding

Advanced Materials· Volume 31· Issue 45
Publisher page

Abstract

Abstract Recently, acceptor–donor–acceptor (A–D–A) small molecules have emerged as promising nonfullerene acceptors (NFAs) for organic solar cells and have attracted great attention. The carbon‐bridged (C‐bridged) ladder‐type D unit plays a crucial role in developing high‐performance A–D–A NFAs. However, the medium electron‐donating capability of C‐bridged units is unfavorable for making NFAs with strong light‐harvesting capability. In this regard, carbon–oxygen‐bridged (CO‐bridged) ladder‐type units present advantages in developing strong light‐absorbing NFAs. Here, recent progress in the newly emerging CO‐bridged NFAs is highlighted. The synthetic methods for the polycyclic CO‐bridged building blocks are introduced. The photovoltaic performance for CO‐bridged NFAs is summarized and discussed. Perspectives on developing high‐performance CO‐bridged‐NFA‐based solar cells are made.
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Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Molecular Junctions and Nanostructures

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Excellence in Nanoscience (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS) National Center for Nanoscience and Technology Beijing 100190 China

Department of Materials Science and Engineering University of Science and Technology of China Hefei 230026 China

Department of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 China

School of Physics & Electronics Central South University Changsha 410083 China

State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou 510640 China

Key Laboratory of Luminescence and Optical Information Ministry of Education Beijing Jiaotong University Beijing 100044 China

Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China

School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China

Laboratory of Organic Solids (CAS) Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China

College of Engineering Peking University Beijing 100871 China

Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan 430074 China

Funding

National Basic Research Program of China · National Natural Science Foundation of China · Chinese Academy of Sciences

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