ICCAS OpenIR
A Thermodynamic Analysis of the Validity of Wenzel and Cassie's Equations
Tan Shuai-Xia1,2; Lu Xiao-Ying1,2; Li Wen3,4; Zhao Ning1; Zhang Xiao-Li1; Xu Jian1
2009-08-01
Source PublicationCHINESE PHYSICS LETTERS
ISSN0256-307X
Volume26Issue:8
AbstractWettable 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.
Indexed BySCI
Language英语
WOS IDWOS:000268662800010
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66922
Collection中国科学院化学研究所
Corresponding AuthorTan Shuai-Xia
Affiliation1.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
3.Xiangtan Univ, Minist Educ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Peoples R China
4.Xiangtan Univ, Fac Mat & Optoelect Phys, Xiangtan 411105, Peoples R China
Recommended Citation
GB/T 7714
Tan Shuai-Xia,Lu Xiao-Ying,Li Wen,et al. A Thermodynamic Analysis of the Validity of Wenzel and Cassie's Equations[J]. CHINESE PHYSICS LETTERS,2009,26(8).
APA Tan Shuai-Xia,Lu Xiao-Ying,Li Wen,Zhao Ning,Zhang Xiao-Li,&Xu Jian.(2009).A Thermodynamic Analysis of the Validity of Wenzel and Cassie's Equations.CHINESE PHYSICS LETTERS,26(8).
MLA Tan Shuai-Xia,et al."A Thermodynamic Analysis of the Validity of Wenzel and Cassie's Equations".CHINESE PHYSICS LETTERS 26.8(2009).
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