Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Photovoltaic Properties of Two-dimensional (CH3(CH2)3NH3)2PbI4 Perovskite Crystals Oriented with TiO2 Nanowire Array
Yoshitaka SanehiraYouhei NumataMasashi IkegamiTsutomu Miyasaka
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2017 Volume 46 Issue 8 Pages 1204-1206

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Abstract

Crystal orientation of two-dimensional (2D) butylammonium lead iodide perovskite as a light absorber of solar cells was controlled by use of oriented TiO2 nanowire (TNW) array as a scaffold of crystallization. Tuning crystallization conditions in spin-coating on TNW array, the highest conversion efficiency of the 2D perovskite-based solar cell was obtained with a vertically oriented film of perovskite embedded in the TNW array.

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© 2017 The Chemical Society of Japan
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