Issue 6, 2024

Doping strategies for inorganic lead-free halide perovskite solar cells: progress and challenges

Abstract

In recent years, remarkable advancements have been achieved in the field of halide perovskite solar cells (PSCs). However, the commercialization of PSCs has been impeded by challenges such as Pb leakage and the instability of hybrid organic–inorganic perovskites (HOIPs). Hence, the future lies in the development of environmentally friendly inorganic lead-free halide perovskites (LFHPs) based on elements like Sn, Ge, Bi, Sb, and Cu, which show great promise for photovoltaic applications. However, LFHP photovoltaic cells still face challenges such as low efficiency, poor film quality, and stability in comparison to HOIPs. These limitations significantly hinder their further development. To address these issues, element doping strategies, including cationic and anionic doping, as well as the use of additives, are frequently employed. These strategies aim to improve film quality, passivate defects, reduce the band gap, and enhance device performance and stability. In this paper, we aim to provide a comprehensive review of the recent research progress in doping strategies for LFHPs.

Graphical abstract: Doping strategies for inorganic lead-free halide perovskite solar cells: progress and challenges

Article information

Article type
Review Article
Submitted
09 Du 2023
Accepted
09 Gen. 2024
First published
09 Gen. 2024

Phys. Chem. Chem. Phys., 2024,26, 4794-4811

Doping strategies for inorganic lead-free halide perovskite solar cells: progress and challenges

S. Jiang, M. Liu, D. Zhao, Y. Guo, J. Fu, Y. Lei, Y. Zhang and Z. Zheng, Phys. Chem. Chem. Phys., 2024, 26, 4794 DOI: 10.1039/D3CP05444F

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