Centimetre-scale perovskite solar cells with fill factors of more than 86 per cent

Jun Peng (), Felipe Kremer, Daniel Walter, Yiliang Wu, Yi Ji, Jin Xiang, Wenzhu Liu, The Duong, Heping Shen, Teng Lu, Frank Brink, Dingyong Zhong, Li Li, Olivier Lee Cheong Lem, Yun Liu, Klaus J. Weber, Thomas P. White () and Kylie R. Catchpole ()
Additional contact information
Jun Peng: The Australian National University
Felipe Kremer: The Australian National University
Daniel Walter: The Australian National University
Yiliang Wu: The Australian National University
Yi Ji: Sun Yat-sen University
Jin Xiang: Sun Yat-sen University
Wenzhu Liu: Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
The Duong: The Australian National University
Heping Shen: The Australian National University
Teng Lu: The Australian National University
Frank Brink: The Australian National University
Dingyong Zhong: Sun Yat-sen University
Li Li: The Australian National University
Olivier Lee Cheong Lem: The Australian National University
Yun Liu: The Australian National University
Klaus J. Weber: The Australian National University
Thomas P. White: The Australian National University
Kylie R. Catchpole: The Australian National University

Nature, 2022, vol. 601, issue 7894, 573-578

Abstract: Abstract Owing to rapid development in their efficiency1 and stability2, perovskite solar cells are at the forefront of emerging photovoltaic technologies. State-of-the-art cells exhibit voltage losses3–8 approaching the theoretical minimum and near-unity internal quantum efficiency9–13, but conversion efficiencies are limited by the fill factor ( 86%, and an average fill factor of 85.3%. We also report a certified steady-state efficiency of 22.6% for a 1-cm2 cell (23.33% ± 0.58% from a reverse current–voltage scan).

Date: 2022
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DOI: 10.1038/s41586-021-04216-5

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