A simple way to fabricate an aluminum sheet with superhydrophobic and self-cleaning properties

A superhydrophobic aluminum sheet is fabricated via a hot water immersing process and subsequently surface modification with heptadecafluorodecyltrimethoxy-silane (HTMS). As revealed by the scan electron microscopy (SEM), X-ray diffraction (XRD), and Fourier-transform infrared spectrophotometer (FTI...

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Veröffentlicht in:Chinese physics B 2012-12, Vol.21 (12), p.383-388
1. Verfasser: 杨周 吴以治 叶逸凡 公茂刚 许小亮
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container_title Chinese physics B
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creator 杨周 吴以治 叶逸凡 公茂刚 许小亮
description A superhydrophobic aluminum sheet is fabricated via a hot water immersing process and subsequently surface modification with heptadecafluorodecyltrimethoxy-silane (HTMS). As revealed by the scan electron microscopy (SEM), X-ray diffraction (XRD), and Fourier-transform infrared spectrophotometer (FTIR) results, a rough pseudoboehmite film is formed on the aluminum sheet, and HTMS molecules are grafted on the film surface successfully. These two factors make the treated aluminum sheet present superhydrophobicity with a water contact angle larger than 160° and sliding angle less than 5°, and possess a self-cleaning property. Furthermore, the flexible superhydrophobic aluminum sheet could be pasted to a cylinder surface without destroying its superhydrophobicity. At the end, the effect of hot water treatment time on superhydrophobicity is investigated.
doi_str_mv 10.1088/1674-1056/21/12/126801
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1741-4199
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source IOP Publishing Journals
subjects Aluminum base alloys
Contact angle
Cylinders
Diffraction
Electron microscopy
Hot water
Infrared spectrophotometers
X-ray diffraction
X-rays
X-射线衍射
制造
扫描电子显微镜
特性
红外分光光度计
自清洁
超疏水性
铝薄板
title A simple way to fabricate an aluminum sheet with superhydrophobic and self-cleaning properties
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