Long-term and thermally stable superhydrophobic surfaces of carbon nanofibers

被引：29

作者：

Wang, Nue ^{[1
,2
,3
]}

Xi, Jinming ^{[4
]}

Wang, Shutao ^{[2
,3
]}

Liu, Huan ^{[4
]}

Feng, Lin ^{[1
]}

Jiang, Lei ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China

[2] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China

[4] Natl Ctr Nanosci & Nanotechnol, Beijing 100080, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2008年 / 320卷 / 02期

关键词：

hydrophobicity; carbon nanofibers; nanostructures; surface chemistry; wettability;

D O I：

10.1016/j.jcis.2008.01.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Carbon nanofibers were prepared from polyvinyl alcohol (PVA) by a simple wetting-compatible method. The surfaces of the aligned carbon nanofibers show excellent thermal- and time-stable superhydrophobicity. The average water contact angle (CA) values are about 153.1 +/- 2.2 degrees at room temperature, with little difference coming from experimental error. In addition, the CA of the aligned carbon nanofibers surface maintains 139.1 +/- 3.2 degrees after 10 months of exposure to the ambient environment. Nanostructure on the surface of carbon nanofibers and the intrinsic thermal resistance of carbon contribute to this unique surface property. (C) 2008 Elsevier Inc. All rights reserved.

引用

页码：365 / 368

页数：4

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