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Topography-induced symmetry transition of droplets on quasi-periodically patterned surfaces
Chen EH(陈恩惠); Yuan QZ(袁泉子); Zhao YP(赵亚溥)
发表期刊SOFT MATTER
2018-08-14
卷号14期号:30页码:6198-6205
ISSN1744-683X
摘要Quasi-periodic structures of quasicrystals yield novel effects in diverse systems. However, there is little investigation on employing quasi-periodic structures in morphology control. Here, we show the use of quasi-periodic surface structures in controlling the transition of liquid droplets. Although surface structures seem random-like, we find that on these surfaces, droplets spread to well-defined 5-fold symmetric shapes and the symmetry of droplet shapes spontaneously restores during spreading, hitherto unreported in the morphology control of droplets. To obtain physical insights into these symmetry transitions, we conduct energy analysis and perform systematic experiments by varying the properties of both liquid droplets and patterned surfaces. The results show the dominant factors in determining droplet shapes to be surface topography and the self-similarity of the surface structure. Quantified results of the droplet spreading process show distinct dynamics from the spreading experiments on periodically micropatterned surfaces. Our findings significantly advance the control capability of the droplet morphology. Such a quasi-periodic patterning strategy can offer a new method to achieve complex patterns, and may be used to model patterns in the study of rough surfaces.
DOI10.1039/c8sm00591e
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000449199000004
关键词[WOS]MICRODECORATED SURFACES ; ROUGH SURFACES ; CONTACT LINE ; WETTABILITY ; CRYSTALS ; DYNAMICS ; LIQUID ; WATER ; MODEL
WOS研究方向Chemistry, Physical ; Materials Science, Multidisciplinary ; Physics, Multidisciplinary ; Polymer Science
WOS类目Chemistry ; Materials Science ; Physics ; Polymer Science
项目资助者National Natural Science Foundation of China (NSFC) [U1562105, 11722223, 11672300] ; Chinese Academy of Sciences (CAS) Interdisciplinary Innovation Team Project ; CAS Key Research Program of Frontier Sciences [QYZDJ-SSW-JSC019] ; CAS Strategic Priority Research Program [XDB22040401]
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/78161
专题非线性力学国家重点实验室
作者单位1.[Chen, Enhui
2.Yuan, Quanzi
3.Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
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Chen EH,Yuan QZ,Zhao YP. Topography-induced symmetry transition of droplets on quasi-periodically patterned surfaces[J]. SOFT MATTER,2018,14(30):6198-6205.
APA 陈恩惠,袁泉子,&赵亚溥.(2018).Topography-induced symmetry transition of droplets on quasi-periodically patterned surfaces.SOFT MATTER,14(30),6198-6205.
MLA 陈恩惠,et al."Topography-induced symmetry transition of droplets on quasi-periodically patterned surfaces".SOFT MATTER 14.30(2018):6198-6205.
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