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Controllable Perovskite Crystallization by Water Additive for High‐Performance Solar Cells

Gong, Xiu, Li, Meng, Shi, Xiao‐Bo, Ma, Heng, Wang, Zhao‐Kui, Liao, Liang‐Sheng·2015·Advanced Functional Materials

Abstract

A key issue for perovskite solar cells is the stability of perovskite materials due to moisture effects under ambient conditions, although their efficiency is improved constantly. Herein, an improved CH 3 NH 3 PbI 3−xClx perovskite quality is demonstrated with good crystallization and stability by using water as an additive during crystal perovskite growth. Incorporating suitable water additives in N,N‐dimethylformamide (DMF) leads to controllable growth of perovskites due to the lower boiling point and the higher vapor pressure of water compared with DMF. In addition, CH 3 NH 3 PbI 3−xClx · n H 2 O hydrated perovskites, which can be resistant to the corrosion by water molecules to some extent, are assumed to be generated during the annealing process. Accordingly, water additive based perovskite solar cells present a high power conversion efficiency of 16.06% and improved cell stability under ambient conditions compared with the references. The findings in this work provide a route to control the growth of crystal perovskites and a clue to improve the stability of organic–inorganic halide perovskites.

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Metadata

Authors
Gong, X., Li, M., Shi, X., Ma, H., Wang, Z., & Liao, L.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2015-10
Volume
25
Issue
42
Pages
6671-6678
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2143716035
Cited by
366
References
3
FWCI
26.30
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Controllable Perovskite Crystallization by Water Additive for High‐Performance Solar Cells. https://app.cochat.ai/papers/10.1002/adfm.201503559
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Gong, X., Li, M., Shi, X., Ma, H., Wang, Z., & Liao, L. (2015). Controllable Perovskite Crystallization by Water Additive for High‐Performance Solar Cells. Advanced Functional Materials. https://doi.org/10.1002/adfm.201503559

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