Research progress and challenges of copper indium gallium selenide thin film solar cells
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Affiliation:

1.Nanophotonics and Advanced Instrument Engineering Research Center, Ministry of Education, Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University, Shanghai 200241, China;2.National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai, 200083, China

Clc Number:

TM914.4

Fund Project:

Supported by National Natural Science Foundation of China (61704057), and Natural Science Foundation of Shanghai (20ZR1417400)

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    Abstract:

    The industrialization of copper indium gallium selenide (Cu(In,Ga)Se2, CIGS) solar cells has attracted worldwide attention. As a thin film solar cell with high conversion efficiency, its efficiency can be compared with that of crystalline silicon solar cell, and the highest efficiency reaches 23.35% at present. For small-area laboratory solar cells, the main research focus is to accurately control the stoichiometric ratio and efficiency of absorption layer. For industrial production, besides stoichiometric ratio and efficiency, cost, reproducibility, output and process compatibility are very important in commercial production. The research progress of different preparation processes, gradient control of absorption layer composition, post-deposition treatment of alkali metal, wide band gap cadmium-free buffer layer, transparent conductive layer and flexible substrate were reviewed. From the perspective of the efficiency of CIGS solar cells, the transfer of record-breaking high-efficiency solar cell technology in the laboratory to the average industrial production level brings obvious challenges.

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TAO Jia-Hua, CHU Jun-Hao. Research progress and challenges of copper indium gallium selenide thin film solar cells[J]. Journal of Infrared and Millimeter Waves,2022,41(2):395~412

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History
  • Received:May 11,2021
  • Revised:March 31,2022
  • Adopted:June 21,2021
  • Online: March 31,2022
  • Published: