In-situ passivation of TiO2 mesoporous scaffold with nano-sized heteropolyacid for boosting the efficiency of the perovskite solar cells
By Dong, Guohua; Xia, Debin; Yang, Yulin; Zhang, Wenzhi; Fan, Ruiqing; Sui, Lili; Su, Liqiang; Zhao, Yunpeng; Yang, Peiqing; Li, Yixuan
Published in Electrochimica Acta
2019
Abstract
TiO2 is a widely used electron transport layer for high efficiency perovskite solar cells. However, many intrinsic shortcomings seriously deteriorate the devices performance. Herein, we demonstrate a facile and effective approach to improve the photovoltaic performance by passivating the TiO2 mesoporous layer with a nanoscale dispersed 12-tungstophosphoric heteropolyacid (H3PW12O40
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