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Proceedings Paper

Planar heterojunction type perovskite solar cells based on TiOx compact layer fabricated by chemical bath deposition
Author(s): Tetsuya Taima; Md. Shahiduzzaman; Kouhei Yamamoto; Yoshikazu Furumoto; Takayuki Kuwabara; Kohshin Takahashi
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Paper 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.

Paper Details

Date Published: 27 February 2016
PDF: 6 pages
Proc. SPIE 9749, Oxide-based Materials and Devices VII, 97491G (27 February 2016); doi: 10.1117/12.2217737
Show Author Affiliations
Tetsuya Taima, Kanazawa Univ. (Japan)
Md. Shahiduzzaman, Kanazawa Univ. (Japan)
Kouhei Yamamoto, Kanazawa Univ. (Japan)
Yoshikazu Furumoto, Kanazawa Univ. (Japan)
Takayuki Kuwabara, Kanazawa Univ. (Japan)
Kohshin Takahashi, Kanazawa Univ. (Japan)

Published in SPIE Proceedings Vol. 9749:
Oxide-based Materials and Devices VII
Ferechteh H. Teherani; David C. Look; David J. Rogers, Editor(s)

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