Journal Article SrTiO3/TiO2 composite electron transport layer for perovskite solar cells

Okamoto, Yuji  ,  Fukui, Ryuta  ,  Fukazawa, Motoharu  ,  Suzuki, Yoshikazu

187pp.111 - 113 , 2017-01 , Elsevier B.V.
Perovskite solar cells (PSCs) with SrTiO3 mesoporous layer (MPL) generally show higher VOC but lower JSC than those with standard TiO2-MPL. In this letter, we propose a new PSC with SrTiO3/TiO2 composite MPL to overcome this lower JSC problem. The PSC with the SrTiO3/TiO2 composite MPL generated a comparable JSC (19.3 mA/cm2) to that with the TiO2-MPL, with keeping higher VOC, which resulted in relatively high power conversion efficiency of 9.98%.

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