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Research Progress in Zn-Cu-In-S(Se) Quantum Dots Sensitized Solar Cells

Guangyan Zhou, Yushan Li, Yu Zhou, Jialing Wu, Han Zhang, and Jingbo Zhang*   

  1. Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
  • Received:2023-08-23 Accepted:2023-09-28
  • Contact: Email: hxxyzjb@tjnu.edu.cn (J. Z.)

Abstract: The recent research progress of quantum dots sensitized solar cells (QDSCs) indicates their great po-tential for the next generation photovoltaic cells. Here, the synthesis methods of quantum dots (QDs) for Zn-Cu-In-Se (ZCISe), Zn-Cu-In-S (ZCIS) and Zn-Cu-In-S(Se) (ZCIS(Se)) were introduced primarily. The utilization of green and efficient quantum dots as sensitizers for QDSCs was summarized accord-ing to QDs sensitizer, photoelectrode, electrolyte and counter electrode. The most important progresses are that the micro-structure and performance of the photoanode were optimized through elements doping, core-shell quantum dots and co-sensitization, so that the electron transport efficiency and the performance of QDSCs can be improved. The power conversion efficiency (PCE) of ZCIS(Se) QDSCs has increased significantly from 5% to more than 16%, which is comparable to the efficiency of other novel solar cells.

Key words: quantum dots, Zn-Cu-In-S(Se), quantum dots sensitized solar cell, power conversion, efficiency

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