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Mixed-phase Mesoporous TiO2 Film for High Efficiency Perovskite Solar Cells

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摘要 Mesoporous scaffold structures have played great roles in halide perovskite solar cells(PSCs),due to the excellent photovoltaic performance and commercial perspective of mesoporous PSCs.Here,we reported a mixed-phase TiO2 mesoporous film as an efficient electron transport layer(ETL)for mesoporous perovskite solar cells.Due to the improved crystal phase,fihn thickness and nanopartMe size of TiO2 layer,which were controlled by varying the one-step hydrothermal reaction time and annealing time,the PSCs exhibited an outstanding short circuit photocurrent density of 25.27 mA/cm^2,and a maximum power conversion efficiency(PCE)of 19.87%.It is found that the ultra-high Jsc attributes to the excellent film quality,light capturing and excellent electron transport ability of mixed-phase TiO2 mesoporous film.The results indicate that mix-phase mesoporous metal oxide fihns could be a promising candidate for producing effective ETLs and high efficiency PSCs.
出处 《高等学校化学研究:英文版》 SCIE CAS CSCD 2019年第1期101-108,共8页 Chemical Research in Chinese University
基金 the Science and Technology Program of Sichuan Province,Chma(No.2018JY0015) the Young Scholars Development Fund of Southwest Petroleum University,China(No.201699010017) the Scientific Research Starting Project of Southwest Petroleum University,China(No.2017QHZ021).
作者简介 Corresponding authors:ZHUANG Jia.Email:zj-656@163.com;Corresponding authors:MA Zhu.Email:deve198509@163.com.
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