ICCAS OpenIR
Shape-gradient composite surfaces: Water droplets move uphill
Zhang, Jilin; Han, Yanchun
2007-05-22
Source PublicationLANGMUIR
ISSN0743-7463
Volume23Issue:11Pages:6136-6141
AbstractThe approach of water droplets self-running horizontally and uphill without any other forces was proposed by patterning the shape-gradient hydrophilic material (i.e., mica) to the hydrophobic matrix (i.e., wax or low-density polyethylene (LDPE)). The shape-gradient composite surface is the best one to drive water droplet self-running both at the high velocity and the maximal distance among four different geometrical mica/wax composite surfaces. The driving force for the water droplets self-running includes: (1) the great difference in wettability of surface materials, (2) the low contact angle hysteresis of surface materials, and (3) the space limitation of the shape-gradient transportation area. Furthermore, the average velocity and the maximal distance of the self-running were mainly determined by the gradient angle (alpha), the droplet volume, and the difference of the contact angle hysteresis. Theoretical analysis is in agreement with the experimental results.
DOI10.1021/la063376k
Indexed BySCI
Language英语
WOS IDWOS:000246456700042
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:76[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62838
Collection中国科学院化学研究所
Corresponding AuthorHan, Yanchun
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, Grad Univ, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jilin,Han, Yanchun. Shape-gradient composite surfaces: Water droplets move uphill[J]. LANGMUIR,2007,23(11):6136-6141.
APA Zhang, Jilin,&Han, Yanchun.(2007).Shape-gradient composite surfaces: Water droplets move uphill.LANGMUIR,23(11),6136-6141.
MLA Zhang, Jilin,et al."Shape-gradient composite surfaces: Water droplets move uphill".LANGMUIR 23.11(2007):6136-6141.
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