Advances in components engineering in vapor deposited perovskite thin film for photovoltaic application

Abstract

As the improvement of power conversion efficient (PCE) of perovskite solar cell slows down, considering the future development of perovskite from the perspective of industrialization is critical. Vapor deposition has been demonstrated as a realizable industrial-scale fabrication method, however, the development of vapor deposited perovskite solar cells lags far behind that of the solution method. In-depth researches on this issue have gradually increased in recent years in order to raise the PCE. In this review, we will focus on the fabrication of high-quality perovskite thin film through component engineering. The fundamental processes of perovskite vapor deposition were discussed and the understanding and control over these processes are firstly reviewed. Then, advance by component engineering for high-quality thin film and bandgap tunning for application in solar cell are summarized. Finally, future challenges and strategy for development were discussed. We highlight the importance of the understanding of the fundamental processes in vapor deposition for the future development of solar cells.

Keywords

• Perovskite solar cells
• Vapor deposition
• Bandgap
• Components engineering