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Tunable Spreading and Shrinking on Photocontrolled Liquid Substrate
Ji WJ(纪文杰)1,2; Li WB(李伟斌)1,2; Wang YR(王育人)1,2; Lan D(蓝鼎)1,2
Corresponding AuthorLan, Ding(landing@imech.ac.cn)
Source PublicationACS OMEGA
2019-12-24
Volume4Issue:26Pages:21967-21974
ISSN2470-1343
AbstractDroplets of n-hexadecane were observed to shrink under ultraviolet (365 nm) and spread under blue light (475 nm) irradiation on an aqueous solution of photosensitive surfactant AzoTAB. We demonstrate that the change of wettability of n-hexadecane droplet on the solution depends on the change of oil-water interface tension. According to the addition of ethanol into the substrate, the change of relative diameter Delta D/D exceeds 20%, much larger than the system without ethanol. With light-emitting diode (LED) light as a sole power source, without any other triggers, we provide a contactless and isothermal method to realize photocontrolled alternative spreading and shrinking of a droplet on a liquid surface, which provides a basis for a chromocapillary-based optical zoom liquid lens.
DOI10.1021/acsomega.9b03039
Indexed BySCI
Language英语
WOS IDWOS:000504635000036
WOS KeywordSUPERHYDROPHOBIC SURFACE ; WATER-INTERFACE ; LOTUS-LEAF ; AZOBENZENE ; DRIVEN ; FILMS ; GRADIENT ; DROPLET ; WETTABILITY ; MONOLAYERS
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding ProjectNational Natural Science Foundation of China[11472275] ; National Natural Science Foundation of China[11902321] ; National Natural Science Foundation of China[U1738118]
Funding OrganizationNational Natural Science Foundation of China
Classification二类
Ranking1
ContributorLan, Ding
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/81247
Collection国家微重力实验室
Affiliation1.Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ji WJ,Li WB,Wang YR,et al. Tunable Spreading and Shrinking on Photocontrolled Liquid Substrate[J]. ACS OMEGA,2019,4(26):21967-21974.
APA 纪文杰,李伟斌,王育人,&蓝鼎.(2019).Tunable Spreading and Shrinking on Photocontrolled Liquid Substrate.ACS OMEGA,4(26),21967-21974.
MLA 纪文杰,et al."Tunable Spreading and Shrinking on Photocontrolled Liquid Substrate".ACS OMEGA 4.26(2019):21967-21974.
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