The synergistic effect of H<sub>2</sub>O and DMF towards stable and 20% efficiency inverted perovskite solar cells

Chien-Hung Chiang(National Central University), Mohammad Khaja Nazeeruddin(Hôpital de Sion), Michaël Grätzel(Interface (United States)), Chun‐Guey Wu(National Central University)
Energy & Environmental Science
January 1, 2017
10.1039/c6ee03586h
Cited by 411Open Access
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Abstract

A high quality thick (500 nm) CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub>perovskite absorber with a horizontal grain size up to 3 μm and a lateral size equal to the film thickness was prepared by the synergistic effect of a H<sub>2</sub>O additive and DMF vapor treatment<italic>via</italic>a two-step spin coating method.

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