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Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells

Akihiro Kojima,Kenjiro Teshima,Yasuo Shirai,Tsutomu Miyasaka

Chemistry

Halide

Nanocrystalline material

2009

Two organolead halide perovskite nanocrystals, CH3NH3PbBr3 and CH3NH3PbI3, were found to efficiently sensitize TiO2 for visible-light conversion in photoelectrochemical cells. When self-assembled on mesoporous TiO2 films, the nanocrystalline perovskites exhibit strong band-gap absorptions as semiconductors. The CH3NH3PbI3-based photocell with spectral sensitivity of up to 800 nm yielded a solar energy conversion efficiency of 3.8%. The CH3NH3PbBr3-based cell showed a high photovoltage of 0.96 V with an external quantum conversion efficiency of 65%.

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“Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells” is a paper by Akihiro Kojima Kenjiro Teshima Yasuo Shirai Tsutomu Miyasaka published in 2009. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.