Issue 47, 2014
From the journal:

Journal of Materials Chemistry A

Water-repellent perovskite solar cell†

Seong Min Kang,a   Namyoung Ahn,a   Jin-Wook Lee,b   Mansoo Choi*a  and  Nam-Gyu Park*b  

* Corresponding authors

a Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
E-mail: mchoi@snu.ac.kr
Tel: +82-2-889-6669

b School of Chemical Engineering and Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea
E-mail: npark@skku.edu
Tel: +82-31-290-7241

Abstract

A water-repellent perovskite solar cell was developed based on anti-reflective lotus leaf-inspired hierarchical pyramidal arrays with enhanced self-cleaning characteristics and was prepared by the replica molding of micro pyramid structures and Ar ion surface treatment. The power conversion efficiency of CH3NH3PbI3 perovskite solar cell was improved from 13.12% to 14.01% by employing such a bifunctional polydimethylsiloxane (PDMS) film on the perovskite solar cell due to an anti-reflection effect. Moreover, the PDMS film adhered to the perovskite solar cell demonstrated excellent superhydrophobicity, which makes the perovskite solar cell water-repellent.

Graphical abstract: Water-repellent perovskite solar cell

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Article information

DOI
https://doi.org/10.1039/C4TA05413J
Article type
Communication
Submitted
10 Oct 2014
Accepted
13 Oct 2014
First published
13 Oct 2014

J. Mater. Chem. A, 2014,2, 20017-20021

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Water-repellent perovskite solar cell

S. M. Kang, N. Ahn, J. Lee, M. Choi and N. Park, J. Mater. Chem. A, 2014, 2, 20017 DOI: 10.1039/C4TA05413J

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