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

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 showe...

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Published in:Journal of materials chemistry 2011, Vol.21 (3), p.633-636
Main Authors: Park, Yong-Bum, Im, Hwon, Im, Maesoon, Choi, Yang-Kyu
Format: Article
Language:English
Subjects:
Arrays
Dust
Feasibility
Hydrophobicity
Hysteresis
Photovoltaic cells
Silicone resins
Solar cells
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description 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[degree] and a hysteresis of lower than 20[degree], 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.
doi_str_mv 10.1039/C0JM02463E
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source Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list)
subjects Arrays
Dust
Feasibility
Hydrophobicity
Hysteresis
Photovoltaic cells
Silicone resins
Solar cells
title Self-cleaning effect of highly water-repellent microshell structures for solar cell applications
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