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

Title
Self-cleaning effect of highly water-repellent microshell structures for solar cell applications
Authors
임매순박용범임훤최양규
Issue Date
2011-01
Publisher
Journal of materials chemistry
Citation
VOL 21, NO 3-636
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.
URI
http://pubs.kist.re.kr/handle/201004/71033
ISSN
0959-9428
Appears in Collections:
KIST Publication > Article
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