Chem. J. Chinese Universities ›› 2023, Vol. 44 ›› Issue (9): 20230150.doi: 10.7503/cjcu20230150

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Recent Advances in the Application of Metal Complexes for Organic Solar Cells

WANG Jiarui, YU Runnan, TAN Zhan’ao()   

  1. Advanced Innovation Center for Soft Matter Science and Engineering,Beijing University of Chemical Technology,Beijing 100029,China
  • Received:2023-03-30 Online:2023-09-10 Published:2023-06-08
  • Contact: TAN Zhan’ao E-mail:tanzhanao@mail.buct.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(21835006)

Abstract:

Organic solar cells have attracted much attention due to their advantages of light weight, diverse colors, and potential for fabricating flexible large-area devices. The innovation of donor and acceptor materials and interface layers is key to improving the performance of organic solar cells. Metal complexes, which combine the self-assembly order of complex molecules with the structural diversity of organic molecules, have high triplet exciton density and long exciton lifetime, having been regarded as an important photoelectric functional material. With the in-depth study of the photoelectric properties, various metal complex photoelectric materials have been successfully applied in organic solar cells to achieve higher power conversion efficiency. In this paper, the applications of metal complexes based on platinum, zinc, iridium, ruthenium, zirconium, and other metals as active layer material, interface layers, and additives of organic photovoltaic devices are reviewed, and the structure-performance relationships are analyzed in depth. In the end, the perspectives on the challenges and opportunities for these materials are prospected to provide reference and inspiration for the design and application of high-performing metal complexes in organic photovoltaic devices.

Key words: Organic solar cell, Metal complex, Active layer material, Interface layer material

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