Self-cleaning effect of highly water-repellent microshell structures for solar cell applications
Self-cleaning effect of highly water-repellent microshell structures for solar cell applications
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DOI：
10.1039/c0jm02463e
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发表时间：
2011-01-01
影响因子：
--
通讯作者：
Choi, Yang-Kyu
中科院分区：
文献类型：
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作者：
Park, Yong-Bum;Im, Hwon;Choi, Yang-Kyu
通过使用超疏水和防水表面开发的自清洁效果已被证明用于太阳能电池应用。在透明柔性聚二甲基硅氧烷（PDMS）弹性体表面制备了有序微壳阵列。即使没有低表面能化学涂层的帮助，该微壳PDMS也表现出优异的拒水性，其接触角（CA）高于150度，迟滞率低于20度。制备的超疏水微壳PDMS与平面PDMS相比，具有更好的除尘效果，防止了粉尘颗粒对太阳能电池效率的降低。这种透明、柔韧、超疏水的微壳PDMS表面为超疏水表面在太阳能电池中的实际应用提供了可行性。
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 degrees and a hysteresis of lower than 20 degrees, 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.