Stability of mixed-halide wide bandgap perovskite solar cells: Strategies and progress

Lei Tao, Jian Qiu, Bo Sun, Xiaojuan Wang, Xueqin Ran, Lin Song, Wei Shi, Qi Zhong, Ping Li, Hui Zhang, Yingdong Xia, Peter Müller-Buschbaum, Yonghua Chen

Research output: Contribution to journalReview articlepeer-review

35 Scopus citations

Abstract

Benefiting from the superior optoelectronic properties and low-cost manufacturing techniques, mixed-halide wide bandgap (WBG) perovskite solar cells (PSCs) are currently considered as ideal top cells for fabricating multi-junction or tandem solar cells, which are designed to beyond the Shockley-Queisser (S-Q) limit of single-junction solar cells. However, the poor long-term operational stability of WBG PSCs limits their further employment and hinders the marketization of multi-junction or tandem solar cells. In this review, recent progresses on improving environmental stability of mixed-halide WBG PSCs through different strategies, including compositional engineering, additive engineering, interface engineering, and other strategies, are summarized. Then, the outlook and potential direction are discussed and explored to promote the further development of WBG PSCs and their applications in multi-junction or tandem solar cells.

Original languageEnglish
Pages (from-to)395-415
Number of pages21
JournalJournal of Energy Chemistry
Volume61
DOIs
StatePublished - Oct 2021

Keywords

  • Mixed halide perovskite
  • Stability
  • Tandem solar cells
  • Wide bandgap perovskite

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