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

doi:10.1088/1674-1056/21/12/126801

Chin. Phys. B ›› 2012, Vol. 21 ›› Issue (12): 126801-126801.doi: 10.1088/1674-1056/21/12/126801

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

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

杨周^a, 吴以治^a, 叶逸凡^b, 公茂刚^a, 许小亮^a

a Department of Physics, University of Science and Technology of China, Hefei 230026, China;
b National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China

收稿日期:2012-04-16 修回日期:2012-06-07 出版日期:2012-11-01 发布日期:2012-11-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 78872129 and 81172082).

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

Yang Zhou (杨周)^a, Wu Yi-Zhi (吴以治)^a, Ye Yi-Fan (叶逸凡)^b, Gong Mao-Gang (公茂刚)^a, Xu Xiao-Liang (许小亮)^a

a Department of Physics, University of Science and Technology of China, Hefei 230026, China;
b National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, China

Received:2012-04-16 Revised:2012-06-07 Online:2012-11-01 Published:2012-11-01
Contact: Xu Xiao-Liang E-mail:xlxu@ustc.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 78872129 and 81172082).

摘要/Abstract

摘要： A superhydrophobic aluminum sheet is fabricated via 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 self-cleaning property. Furthermore, the flexible superhydrophobic aluminum sheet could be pasted to cylinder surface without destroying its superhydrophobicity. At the end, the effect of hot water treatment time on superhydrophobicity is investigated.

关键词: superhydrophobic, self-cleaning, surface modification

Abstract: A superhydrophobic aluminum sheet is fabricated via 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 self-cleaning property. Furthermore, the flexible superhydrophobic aluminum sheet could be pasted to cylinder surface without destroying its superhydrophobicity. At the end, the effect of hot water treatment time on superhydrophobicity is investigated.

Key words: superhydrophobic, self-cleaning, surface modification

中图分类号: (Surface tension and related phenomena)

68.03.Cd

68.08.Bc (Wetting) 61.46.-w (Structure of nanoscale materials)

杨周, 吴以治, 叶逸凡, 公茂刚, 许小亮. A facile way to fabricate aluminum sheet with superhydrophobic and self-cleaning properties[J]. Chin. Phys. B, 2012, 21(12): 126801-126801.

Yang Zhou (杨周), Wu Yi-Zhi (吴以治), Ye Yi-Fan (叶逸凡), Gong Mao-Gang (公茂刚), Xu Xiao-Liang (许小亮). A facile way to fabricate aluminum sheet with superhydrophobic and self-cleaning properties[J]. Chin. Phys. B, 2012, 21(12): 126801-126801.

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

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

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