Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP20)
DOI: https://doi.org/10.29363/nanoge.iperop.2020.007
Publication date: 14th October 2019
Perovskite solar cells based on carbon materials as the back electrode (C-PSCs) have attracted significant attention due to their low cost and excellent stability. In general, the device structure of based C-PSCs has two types, one is hole transport layer (HTL)-free and another one is with hole transport layer. For these two cases, the carbon paste electrodes (CPEs) both need directly collect the photo-generated holes or/and transport the holes. Therefore, the interfacial engineering between the perovskite layer and carbon electrode layer plays a crucial role in charge collection and affects the performance of C-PSCs.
Our group have been carried out the interfacial engineering between carbon layer and perovskite layer using several methods to improve the performance of the C-PSCs. In this paper, we will report our recent results, including development a simple process for fabricating an effective sandwich structured perovskite solar cell based on the carbon material and doing the interfacial engineering between the perovskite layer and carbon electrode layer for perovskite solar cells.
This work was supported by the Grants-in-Aid for Scientific Research (KAKENHI) program, Japan (C, grant no. 15K05597), Takahashi Industrial and Economic Research Foundation (Takahashi grant no. 06-003-154).
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