27 February 2016 Planar heterojunction type perovskite solar cells based on TiOx compact layer fabricated by chemical bath deposition
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Proceedings Volume 9749, Oxide-based Materials and Devices VII; 97491G (2016) https://doi.org/10.1117/12.2217737
Event: SPIE OPTO, 2016, San Francisco, California, United States
Abstract
Perovskite (CH3NH3PbI3) solar cell (PSC) have been recently emerged as a promising cost and energy efficient light absorber material for photovoltaic applications. In this paper, we fabricated planar heterojunction (PHJ) perovskite solar cells using chemical bath deposited low temperature titanium oxide (TiOx) compact layer as an electron collection layer. The devices modified by fullerene (C60) with the thickness of 7nm show very significant improvement in photovoltaic performances compared to without modified devices leading to efficiencies as high as 9.0%. This is due to enhanced electrons more efficiently at the CH3NH3PbI3 /compact-TiOx interface from the C60 leading to improved photocurrent densities and fill factors.
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Tetsuya Taima, Tetsuya Taima, Md. Shahiduzzaman, Md. Shahiduzzaman, Kouhei Yamamoto, Kouhei Yamamoto, Yoshikazu Furumoto, Yoshikazu Furumoto, Takayuki Kuwabara, Takayuki Kuwabara, Kohshin Takahashi, Kohshin Takahashi, } "Planar heterojunction type perovskite solar cells based on TiOx compact layer fabricated by chemical bath deposition", Proc. SPIE 9749, Oxide-based Materials and Devices VII, 97491G (27 February 2016); doi: 10.1117/12.2217737; https://doi.org/10.1117/12.2217737
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