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Perovskite Solar Cells Employing Copper Phthalocyanine Hole-Transport Material with an Efficiency over 20% and Excellent Thermal Stability

Duong, The; Peng, Jun; Walter, Daniel; Xiang, Jin; Shen, Heping; Chugh, Dipankar; Lockrey, Mark; Zhong, Dingyong; Li, Juntao; Weber, Klaus; White, Thomas; Catchpole, Kylie


We investigate the properties of an inexpensive hole-transporting material (HTM), copper phthalocyanine (CuPc), deposited by a solution-processing method in perovskite solar cells (PSCs). Cracks are found to be abundant on the as-deposited CuPc films, which lead to serious shunts and interface recombination. Surprisingly, shunts and interface recombination are significantly reduced and cell performance is greatly improved after heat treatment at 85 °C. We find that the enhancement is due to...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: ACS Energy Letters
DOI: 10.1021/acsenergylett.8b01483


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