Issue 47, 2021

Triple-cation perovskite solar cells fabricated by a hybrid PVD/blade coating process using green solvents

Abstract

The scalability of highly efficient organic–inorganic perovskite solar cells (PSCs) is one of the major challenges of solar module manufacturing. Various scalable methods have been explored to strive for uniform perovskite films of high crystal quality on large-area substrates, but each of these methods has individual limitations on the potential of successful commercialization of perovskite photovoltaics. Here, we report a fully scalable hybrid process, which combines vapor- and solution-based techniques to deposit high quality uniform perovskite films on large-area substrates. This two-step process does not use toxic solvents, and it further allows easy implementation of passivation strategies and additives. We fabricate PSCs based on this process and use blade coating to deposit a SnO2 electron transporting layer and Spiro-OMeTAD hole transporting layer without halogenated solvents in ambient air. The fabricated PSCs have achieved open-circuit voltage up to 1.16 V and power conversion efficiency of 18.7% with good uniformity on 5 cm × 5 cm substrates.

Graphical abstract: Triple-cation perovskite solar cells fabricated by a hybrid PVD/blade coating process using green solvents

Supplementary files

Article information

Article type
Paper
Submitted
03 sep. 2021
Accepted
18 oct. 2021
First published
18 oct. 2021
This article is Open Access
Creative Commons BY-NC license

J. Mater. Chem. A, 2021,9, 26680-26687

Triple-cation perovskite solar cells fabricated by a hybrid PVD/blade coating process using green solvents

S. Siegrist, S. Yang, E. Gilshtein, X. Sun, A. N. Tiwari and F. Fu, J. Mater. Chem. A, 2021, 9, 26680 DOI: 10.1039/D1TA07579A

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