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 |
ISSN | 1744-683X |
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. |
DOI | 10.1039/c8sm00591e |
URL | 查看原文 |
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] |
论文分区 | 一类 |
力学所作者排名 | 1 |
引用统计 | |
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 |
推荐引用方式 GB/T 7714 | 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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irJ2018090.pdf(1755KB) | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
IrJ2018384.pdf(21224KB) | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 |
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