| Optimal design of superhydrophobic surfaces using a semicircular protrusion microtexture | |
| Department | 固体润滑国家重点实验室 |
Tie L(铁璐)1 ; Guo ZG(郭志光)1,2,3; Li W(李文)4; Guo ZG(郭志光); Li W(李文)
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| 2015 | |
| Source Publication | RSC Advances
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| ISSN | 2046-2069 |
| Volume | 5Issue:11Pages:8446-8454 |
| Abstract | Superhydrophobic surfaces have shown promising applications in self-cleaning, anti-dust or icing, and anti-friction or wear. To fabricate such surfaces and achieve the best superhydrophobicity, the criterion to design surface geometry has been proposed. In this article, based on the thermodynamic analysis, the effects of chemistry (intrinsic CAs) and all the geometrical parameters for the semicircular microtexture on free energy (FE) and free energy barrier (FEB) as well as equilibrium contact angle (ECA) and contact angle hysteresis (CAH) have been theoretically investigated. It is demonstrated that semicircular base radius and intrinsic CA play a significant important role in ECA and CAH; in particular, a critical intrinsic CA and semicircle radius for the semicircular microtexture are necessary for the transition from non-composite to composite states. Furthermore, it is revealed that semicircle base spacing affects superhydrophobic behavior. Moreover, it is revealed that the effect of outer vibrational energy on wetting behavior depends strongly on the surface texture and chemistry (intrinsic CAs). Based on the above effects, a criterion for the transition from non-composite to composite wetting states can be further obtained.; Superhydrophobic surfaces have shown promising applications in self-cleaning, anti-dust or icing, and antifriction or wear. To fabricate such surfaces and achieve the best superhydrophobicity, the criterion to design surface geometry has been proposed. In this article, based on the thermodynamic analysis, the effects of chemistry (intrinsic CAs) and all the geometrical parameters for the semicircular microtexture on free energy (FE) and free energy barrier (FEB) as well as equilibrium contact angle (ECA) and contact angle hysteresis (CAH) have been theoretically investigated. It is demonstrated that semicircular base radius and intrinsic CA play a significant important role in ECA and CAH; in particular, a critical intrinsic CA and semicircle radius for the semicircular microtexture are necessary for the transition from noncomposite to composite states. Furthermore, it is revealed that semicircle base spacing affects superhydrophobic behavior. Moreover, it is revealed that the effect of outer vibrational energy on wetting behavior depends strongly on the surface texture and chemistry (intrinsic CAs). Based on the above effects, a criterion for the transition from non-composite to composite wetting states can be further obtained. |
| Subject Area | 材料科学与物理化学 |
| DOI | 10.1039/c4ra14863k |
| Funding Organization | the National Natural Science Foundation of China under grant nos 11172301;21203217;the Western Light Talent Culture project;the Top Hundred Talents project of Chinese Academy of Sciences |
| Indexed By | SCI |
| If | 3.289 |
| Language | 英语 |
| Funding Project | 空间润滑材料组 |
| compositor | 第一作者单位 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/7101 |
| Collection | 固体润滑国家重点实验室（LSL） |
| Corresponding Author | Guo ZG(郭志光); Li W(李文) |
| Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Peoples R China 3.Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Minist Educ, Wuhan 430062, Peoples R China 4.Hubei Polytech Univ, Huangshi 435003, Peoples R China |
| Recommended Citation GB/T 7714 | Tie L,Guo ZG,Li W,et al. Optimal design of superhydrophobic surfaces using a semicircular protrusion microtexture[J]. RSC Advances,2015,5(11):8446-8454. |
| APA | Tie L,Guo ZG,Li W,郭志光,&李文.(2015).Optimal design of superhydrophobic surfaces using a semicircular protrusion microtexture.RSC Advances,5(11),8446-8454. |
| MLA | Tie L,et al."Optimal design of superhydrophobic surfaces using a semicircular protrusion microtexture".RSC Advances 5.11(2015):8446-8454. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 铁璐 RSC Adv.pdf（877KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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