Scratch-resistant zeolite anti-reflective coating on glass for solar applications

Chien Hung Chen; Shiao Yi Li; Anthony S.T. Chiang; Albert T. Wu; Y. S. Sun

doi:10.1016/j.solmat.2011.01.032

Scratch-resistant zeolite anti-reflective coating on glass for solar applications

Chien Hung Chen, Shiao Yi Li, Anthony S.T. Chiang, Albert T. Wu, Y. S. Sun

化學工程與材料工程學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

65 引文斯高帕斯（Scopus）

摘要

Sol-gel SiO₂ anti-reflection (AR) coating on solar glass is known to increase the current output by a few percent, but its mechanical durability is of concern. To improve its strength, the amorphous SiO₂ may be replaced by zeolite, which is a microporous aluminosilicate crystalline material. Scratch-resistant AR coating has been prepared by the dip coating of a composition which contains aggregated zeolite nanoparticles as the structure provider and zeolite precursors as the reactive binder. AR coating with better than 5H pencil hardness can be made with a composition containing BEA zeolite. Nanoindenter measurements show that this BEA zeolite films have 1.5 GPa indent hardness and 35 GPa elastic modulus. Furthermore, the freshly prepared AR coating shows a self-cleaning effect with a water contact angle (WCA) close to zero. It can be made super-hydrophobic with larger than 130° WCA after modifying with hexamethyl-disilazane (HMDS), upon which the pencil hardness further increases to 6H.

原文	???core.languages.en_GB???
頁（從 - 到）	1694-1700
頁數	7
期刊	Solar Energy Materials and Solar Cells
卷	95
發行號	7
DOIs	https://doi.org/10.1016/j.solmat.2011.01.032
出版狀態	已出版 - 7月 2011

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10.1016/j.solmat.2011.01.032

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title = "Scratch-resistant zeolite anti-reflective coating on glass for solar applications",

abstract = "Sol-gel SiO2 anti-reflection (AR) coating on solar glass is known to increase the current output by a few percent, but its mechanical durability is of concern. To improve its strength, the amorphous SiO2 may be replaced by zeolite, which is a microporous aluminosilicate crystalline material. Scratch-resistant AR coating has been prepared by the dip coating of a composition which contains aggregated zeolite nanoparticles as the structure provider and zeolite precursors as the reactive binder. AR coating with better than 5H pencil hardness can be made with a composition containing BEA zeolite. Nanoindenter measurements show that this BEA zeolite films have 1.5 GPa indent hardness and 35 GPa elastic modulus. Furthermore, the freshly prepared AR coating shows a self-cleaning effect with a water contact angle (WCA) close to zero. It can be made super-hydrophobic with larger than 130° WCA after modifying with hexamethyl-disilazane (HMDS), upon which the pencil hardness further increases to 6H.",

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note = "Funding Information: The study has been supported by National Science Council of Taiwan, ROC through grant NSC 98-2120-M-008 -004 . ",

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AU - Wu, Albert T.

AU - Sun, Y. S.

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AB - Sol-gel SiO2 anti-reflection (AR) coating on solar glass is known to increase the current output by a few percent, but its mechanical durability is of concern. To improve its strength, the amorphous SiO2 may be replaced by zeolite, which is a microporous aluminosilicate crystalline material. Scratch-resistant AR coating has been prepared by the dip coating of a composition which contains aggregated zeolite nanoparticles as the structure provider and zeolite precursors as the reactive binder. AR coating with better than 5H pencil hardness can be made with a composition containing BEA zeolite. Nanoindenter measurements show that this BEA zeolite films have 1.5 GPa indent hardness and 35 GPa elastic modulus. Furthermore, the freshly prepared AR coating shows a self-cleaning effect with a water contact angle (WCA) close to zero. It can be made super-hydrophobic with larger than 130° WCA after modifying with hexamethyl-disilazane (HMDS), upon which the pencil hardness further increases to 6H.

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Scratch-resistant zeolite anti-reflective coating on glass for solar applications

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