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Issue 3, 2011
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Self-cleaning effect of highly water-repellent microshell structures for solar cell applications

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Abstract

A self-cleaning effect developed through the use of a superhydrophobic and water-repellent surface was demonstrated for solar cell applications. A perfectly ordered microshell array was fabricated on a transparent and flexible polydimethylsiloxane (PDMS) elastomer surface. This microshell PDMS showed an excellent water-repellent property with a contact angle (CA) higher than 150° and a hysteresis of lower than 20°, even without the aid of a low surface energy chemical coating. Fabricated superhydrophobic microshell PDMS showed a superior dust cleaning effect compared to that of flat PDMS, preventing the degradation by dust particles of solar cell efficiency. This transparent, flexible and superhydrophobic microshell PDMS surface provides feasibility for a practical application of superhydrophobic surfaces in solar cells.

Graphical abstract: Self-cleaning effect of highly water-repellent microshell structures for solar cell applications

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Article information


Submitted
29 Jul 2010
Accepted
15 Nov 2010
First published
30 Nov 2010

J. Mater. Chem., 2011,21, 633-636
Article type
Communication

Self-cleaning effect of highly water-repellent microshell structures for solar cell applications

Y. Park, H. Im, M. Im and Y. Choi, J. Mater. Chem., 2011, 21, 633
DOI: 10.1039/C0JM02463E

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