Issue 74, 2019
From the journal:

Chemical Communications

A polar-hydrophobic ionic liquid induces grain growth and stabilization in halide perovskites†

Dan Liu,‡ab   Zhipeng Shao,‡c   Jianzhou Gui, ORCID logo a   Min Chen, ORCID logo b   Mingzhen Liu, ORCID logo d   Guanglei Cui, ORCID logo c   Shuping Pang ORCID logo c  and  Yuanyuan Zhou ORCID logo *b  

* Corresponding authors

a School of Chemistry and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, P. R. China

b School of Engineering, Brown University, Providence, Rhode Island 02912, USA
E-mail: yuanyuan_zhou@brown.edu

c Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, P. R. China

d School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China

Abstract

The addition of a polar-hydrophobic methylammonium trifluoroacetate ionic liquid tailors the hydrophobicity of halide-perovskite precursor solutions and assists in grain growth. This unique additive also functionalizes the grain boundaries via polar–polar interactions, thereby enhancing the optoelectronic properties and chemical stability of perovskites. This study opens the door to the solution hydrophobicity control towards high-performance perovskite devices.

Graphical abstract: A polar-hydrophobic ionic liquid induces grain growth and stabilization in halide perovskites

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Article information

DOI
https://doi.org/10.1039/C9CC05490A
Article type
Communication
Submitted
16 Jul 2019
Accepted
19 Aug 2019
First published
19 Aug 2019

Chem. Commun., 2019,55, 11059-11062

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A polar-hydrophobic ionic liquid induces grain growth and stabilization in halide perovskites

D. Liu, Z. Shao, J. Gui, M. Chen, M. Liu, G. Cui, S. Pang and Y. Zhou, Chem. Commun., 2019, 55, 11059 DOI: 10.1039/C9CC05490A

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