Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
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Effects of annealing on CH3NH3PbI3(Cl) perovskite photovoltaic devices
Takeo OKUYuya OHISHI
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2018 Volume 126 Issue 1 Pages 56-60

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Abstract

The effects of annealing temperatures on perovskite-type photovoltaic devices were investigated. CH3NH3PbI3 photovoltaic devices doped with Cl were fabricated by the spin-coating method, and the microstructures of the cells were investigated by X-ray diffraction, optical microscopy and scanning electron microscopy. The current density–voltage characteristics and incident photon-to-current conversion efficiencies were improved by application of an appropriate annealing process, leading to improvement of the photoconversion efficiencies to 13.28%. Microstructure analysis indicated that the perovskite layer had a homogeneous morphology after annealing at 140°C, and that the devices provided stability in air.

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© 2018 The Ceramic Society of Japan
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