Evaporation-induced fractal patterns: A bridge between uniform pattern and coffee ring
文献类型：期刊论文
| 作者 | Wang, Fushuai; Yuan, Quanzi2 ; Yuan QZ(袁泉子)
|
| 刊名 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
 |
| 出版日期 | 2023-05-01 |
| 卷号 | 637页码:522-532 |
| ISSN号 | 0021-9797 |
| 关键词 | Evaporation Drop Self -assembled pattern Contact line Film stability |
| DOI | 10.1016/j.jcis.2023.01.102 |
| 通讯作者 | Yuan, Quanzi(yuanquanzi@lnm.imech.ac.cn) |
| 英文摘要 | Hypothesis: The rich variety of patterns induced by evaporating drops containing particles has significant guidance for coating processes, inkjet printing, and nanosemiconductors. However, most existing works construct a uniform pattern by suppressing the coffee ring effect, and establishing the connection between them is still an academic challenge.Experiments: We report uniform, polygonal, and coffee ring patterns obtained by adjusting the solute concentration that sets in when an ethanol drop with dissolved ibuprofen is deposited on a silicon wafer. Findings: Pattern formation involves rich hydrodynamic events: spreading, evaporative instability, dewetting, film formation, and particle deposition. Based on the distinct multiscale properties, this series of patterns is directly connected from the perspective of fractal geometry, which allows us to name them "fractal deposition patterns". A theoretical model considering film stability is established to explain the mechanism behind pattern formation, which is well verified by experiments. This work has presented a unique strategy that can directly connect uniform, polygonal, and coffee ring patterns under the same physics, hoping to provide instructive guidance for practical applications.(c) 2023 Elsevier Inc. All rights reserved. |
| WOS关键词 | INSTABILITIES ; DEPOSITS ; DROPLET ; SESSILE ; STAINS ; FILMS ; FLOW |
| 资助项目 | National Natural Science Foundation of China (NSFC)[12072346] ; National Natural Science Foundation of China (NSFC)[12032019] |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| WOS记录号 | WOS:000926577500001 |
| 资助机构 | National Natural Science Foundation of China (NSFC) |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/91682]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 通讯作者 | Yuan, Quanzi; Yuan QZ(袁泉子) |
| 作者单位 | 1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Fushuai,Yuan, Quanzi,Yuan QZ. Evaporation-induced fractal patterns: A bridge between uniform pattern and coffee ring[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2023,637:522-532. |
| APA | Wang, Fushuai,Yuan, Quanzi,&Yuan QZ.(2023).Evaporation-induced fractal patterns: A bridge between uniform pattern and coffee ring.JOURNAL OF COLLOID AND INTERFACE SCIENCE,637,522-532. |
| MLA | Wang, Fushuai,et al."Evaporation-induced fractal patterns: A bridge between uniform pattern and coffee ring".JOURNAL OF COLLOID AND INTERFACE SCIENCE 637(2023):522-532. |
入库方式： OAI收割
来源：力学研究所
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