Author(s): Yu, X (Yu, Xing); Zou, XP (Zou, Xiaoping); Cheng, J (Cheng, Jin); Chen, D (Chen, Dan); Yao, YJ (Yao, Yujun); Chang, CC (Chang, Chuangchuang); Liu, BY (Liu, Baoyu); Wang, JQ (Wang, Junqi); Zhou, ZX (Zhou, Zixiao); Li, GD (Li, Guangdong)

Source: OPTIK Volume: 228 Article Number: 165897 DOI: 10.1016/j.ijleo.2020.165897 Published: FEB 2021

Abstract: we insert (6,6)-phenyl c(61) butyric acid methyl ester (PC61BM) interlayer of different precursor solution concentrations between low-temperature TiO2 electron transport layer (ETL) and light absorption layer to modify charge carrier transporting, mitigate hysteresis and improve perovskite film quality. The results show that the TiO2 / perovskite interface, the perovskite film morphology and photo physical properties can be modified by optimizing the precursor solution concentrations of PC61BM interlayer, which facilitates the electron extraction from perovskite absorption layer to TiO2 ETL and reduces the hysteresis.

Accession Number: WOS:000615919900012

ISSN: 0030-4026

eISSN: 1618-1336

Full Text: https://www.sciencedirect.com/science/article/pii/S0030402620317149?via%3Dihub