| A Thermodynamic Analysis of the Validity of Wenzel and Cassie＇s Equations ＊ |
| |
| 引用本文： | 谭帅霞,卢晓英,李文,赵宁,张小莉,徐坚.A Thermodynamic Analysis of the Validity of Wenzel and Cassie＇s Equations ＊[J].中国物理快报,2009(8):35-38. |
| |
| 作者姓名： | 谭帅霞 卢晓英 李文 赵宁 张小莉 徐坚 |
| |
| 作者单位： | [1]State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 [2]Graduate University of the Chinese Academy of Sciences, Beijing 100190 [3]Key Laboratory of Low Dimensional Materials and Application Technology （Ministry of Education） and Faculty of Materials and Optoelectronic Physics, Xiangtan University, Xiangtan 411105 |
| |
| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 50425312, 50521302 and 50673097, and the National Basic Research Program of China under Grant Nos 2005CCA00800 and 2007CB936400. |
| |
| 摘 要： | Wettable properties of a considered solid on its contact angle （CA） can be analyzed theoretically using the classical Wenzel and Cassie＇s equations. However, recent strong interest in superhydrophobic surfaces has demanded a re-examination of the applicability of the two equations. We report a thermodynamic analysis to determine the universality, in particular, the limitations of the two equations. Using some special surfaces, we demonstrate that the two equations are valid for micro-scale heterogeneous structures, however they are invalid for macro-scale heterogeneous surfaces. Furthermore, the present calculations suggest that fundamental thermodynamic analysis is the most powerful and reliable approach to determine the comprehensive wettability for various structurally patterned surfaces.
|
| 关 键 词： | 热力学分析 方程 疏水表面 异质结构 微观尺度 表面结构 可湿性 接触角 |
A Thermodynamic Analysis of the Validity of Wenzel and Cassie＇s Equations ＊ |
| |
| TAN Shuai-Xia,LU Xiao-Ying,LI Wen,ZHAO Ning,ZHANG Xiao-Li,XU Jian.A Thermodynamic Analysis of the Validity of Wenzel and Cassie＇s Equations ＊[J].Chinese Physics Letters,2009(8):35-38. |
| |
| Authors: | TAN Shuai-Xia LU Xiao-Ying LI Wen ZHAO Ning ZHANG Xiao-Li XU Jian |
| |
| Institution: | 1 State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 2. Graduate University of the Chinese Academy of Sciences, Beijing 100190 3.Key Laboratory of Low Dimensional Materials and Application Technology (Ministry of Education) and Faculty of Materials and Optoelectronic Physics, Xiangtan University, Xiangtan 411105) |
| |
| Abstract: | |
| |
| Keywords: | |
| 本文献已被 维普 等数据库收录！ |
|
