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Direct Confirmation of Distribution for Cl<sup>−</sup>in CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3−</sub><i><sub>x</sub></i>Cl<i><sub>x</sub></i>Layer of Perovskite Solar Cells

Ludmila Cojocaru, Satoshi Uchida, Daiki Matsubara, Hiroaki Matsumoto, Katsuji Ito, Yoshihiro Otsu, Patrick Chapon, Jotaro Nakazaki, Takaya Kubo, Hiroshi Segawa

Chemistry Letters · 2016 · 13 citations · 15 references

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Abstract

Distribution of Cl− in the CH3NH3PbI3−xClx layer of perovskite solar cells has been investigated using glow-discharge optical emission spectrometry (GD-OES) measurements. The Cl− is distributed in the bulk of the perovskite film and is not accumulated at the TiO2/CH3NH3PbI3 interface.

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