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Aerodynamic control of evaporative self-assembly in colloidal droplets

文献类型：期刊论文

作者Zhang C(张晨)3,4; Zheng ZY(郑中玉)3,4; Yan BF(严炳蜚)2; Xue J(薛健)1,3; Lan D(蓝鼎)3,4; Li WB(李伟斌)3,4; Wang YR(王育人)3,4
刊名INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
出版日期2025-04-01
卷号239页码:11
关键词Aerodynamic control Evaporative self-assembly Shear flow Coffee ring effect
ISSN号0017-9310
DOI10.1016/j.ijheatmasstransfer.2024.126578
通讯作者Li, Weibin(liweibin@imech.ac.cn) ; Wang, Yuren(yurenwang@imech.ac.cn)
英文摘要The evaporation of colloidal droplets on solid surfaces frequently results in the undesirable "coffee ring effect", a well-known phenomenon that has attracted significant attention across various fields, including inkjet printing, micro/nano fabrication, and coatings, due to its adverse implications. Although several control strategies, such as heating, exist to mitigate the coffee ring effect, to develop a simple, efficient, and non-contact universal approach still remains a significant challenge. In this study, we present an innovative approach to enhance the interfacial evaporation of droplets by implementing actively controlled airflow. This airflow generates intense internal motion within the droplet, promoting a more uniform dispersion of colloidal particles. Simultaneously, it significantly increases the evaporation rate at the liquid-air interface, facilitating the capture of colloidal particles and their arrangement into well-organized crystal structures. In contrast to conventional methods, this approach does not necessitate any alterations to the substrate or liquid, thereby demonstrating broader applicability. We are optimistic that this advancement will positively influence the fabrication of high-quality, highperformance printed electronics.
分类号一类
WOS关键词RING ; FLOW
资助项目National Key R&D Program of China[2022YFF0503503] ; China Manned Space Engineering Program ; National Natural Science Foundation of China[12272390] ; key research programme of Chinese Academy of Sciences[ZDBS-ZRKJZ-TLC014]
WOS研究方向Thermodynamics ; Engineering ; Mechanics
语种英语
WOS记录号WOS:001403463500001
资助机构National Key R&D Program of China ; China Manned Space Engineering Program ; National Natural Science Foundation of China ; key research programme of Chinese Academy of Sciences
其他责任者Li, Weibin ; Wang, Yuren
源URL[http://dspace.imech.ac.cn/handle/311007/98258]  
专题力学研究所_国家微重力实验室
作者单位1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
2.Univ Wisconsin Madison, Dept Mech Engn, Madison, WI USA;
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
4.Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100190, Peoples R China;
推荐引用方式
GB/T 7714		 Zhang C,Zheng ZY,Yan BF,et al. Aerodynamic control of evaporative self-assembly in colloidal droplets[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2025,239:11.
APA 张晨.,郑中玉.,严炳蜚.,薛健.,蓝鼎.,...&王育人.(2025).Aerodynamic control of evaporative self-assembly in colloidal droplets.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,239,11.
MLA 张晨,et al."Aerodynamic control of evaporative self-assembly in colloidal droplets".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 239(2025):11.

入库方式： OAI收割

来源：力学研究所

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