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Issue 14, 2017
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Large grain growth for hole-conductor-free fully printable perovskite solar cells via polyoxometalate molecular doping

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Abstract

A large-grained perovskite film, with a crystal grain size of ca. 30–50 μm, was achieved by polyoxometalate-induced Ostwald ripening. Aiming at commercially-oriented fully printable hole-conductor-free perovskite solar cells, the power conversion efficiency of the device was significantly improved from 9.17% to 11.35% (average) via polyoxometalate molecular doping. This is because the large-grained perovskite film could effectively reduce bulk defects and charge recombination, thereby facilitating charge transport.

Graphical abstract: Large grain growth for hole-conductor-free fully printable perovskite solar cells via polyoxometalate molecular doping

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Supplementary files

Article information


Submitted
23 Oct 2016
Accepted
24 Jan 2017
First published
24 Jan 2017

Chem. Commun., 2017,53, 2290-2293
Article type
Communication

Large grain growth for hole-conductor-free fully printable perovskite solar cells via polyoxometalate molecular doping

Y. Zhang, Y. Wang, Z. Sun, F. Li, R. Tao, Z. Jin and L. Xu, Chem. Commun., 2017, 53, 2290
DOI: 10.1039/C6CC08516D

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