In-situ fabrication of dual porous titanium dioxide films as anode for carbon cathode based perovskite solar cell

查看全文 作　　者：Xiaoli [1]Zheng;Zhanhua [1]Wei;Haining [1]Chen;Yang [1]Bai;Shuang [2]Xiao;Teng [2]Zhang;Shihe [1,2]Yang

机构地区：[1]Department of Chemistry,The Hong Kong University of Science and Technology;[2]Nano Science and Technology Program,The Hong Kong University of Science and Technology

出　　处：《Journal of Energy Chemistry》索引2015年第24卷第6期,共8页

基　　金：supported by the HK Innovation and Technology Fund (ITS/004/14);the HK-RGC General Research Funds (GRE No. HKUST 606511) 摘　　要：We develop a dual porous(DP) TiO_2 film for the electron transporting layer(ETL) in carbon cathode based perovskite solar cells(C-PSCs). The DP TiO_2 film was synthesized via a facile PS-templated method with the thickness being controlled by the spin-coating speed. It was found that there is an optimum DP TiO_2 film thickness for achieving an effective ETL, a suitable perovskite/TiO_2 interface, an efficient light harvester and thus a high performance C-PSC. In particular, such a DP TiO_2 film can act as a scaffold for complete-filling of the pores with perovskite and for forming high-quality perovskite crystals that are seamlessly interfaced with Ti_O2 to enhance interfacial charge injection. Leveraging the unique advantages of DPTiO2 ETL, together with a dense-packed and pinhole-free TiO_2 compact layer, PCE of the C-PSCs has reached 9.81% with good stability. 关键词：多孔二氧化钛薄膜太阳能电池薄膜阴极钙钛矿原位制备碳基 TIO2薄膜阳极

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In-situ fabrication of dual porous titanium dioxide films as anode for carbon cathode based perovskite solar cell

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