Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers
Manipulating small water droplets on an intelligent surface with tunable superhydrophobic adhesion has attracted considerable interests because of potential applications ranging from no-loss transfer to surface chemistry but remains challenging. Herein, we present a strategy to manipulate the small...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Elsevier
2020-06-01
|
Series: | Giant |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2666542520300229 |
id |
doaj-87bf0f3ecc6440ce806fd7d25bb0d355 |
---|---|
record_format |
Article |
spelling |
doaj-87bf0f3ecc6440ce806fd7d25bb0d3552020-11-25T03:38:21ZengElsevierGiant2666-54252020-06-012100019Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymersXiao Zhang0Lang Qin1Yuyun Liu2Jia Wei3Yanlei Yu4Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, ChinaDepartment of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, ChinaDepartment of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, ChinaDepartment of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, ChinaCorresponding author.; Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, ChinaManipulating small water droplets on an intelligent surface with tunable superhydrophobic adhesion has attracted considerable interests because of potential applications ranging from no-loss transfer to surface chemistry but remains challenging. Herein, we present a strategy to manipulate the small water droplet on a photo-switchable mat, which is fabricated by a fluorinated linear liquid crystal polymer via electrospinning. The electrospun mat with hierarchical microstructures exhibits fast and reversible superhydrophobic adhesion change, and still remains the superhydrophobicity after pinning and removing of the water droplets for several times. Diverse erasable and rewritable arrays on the vertically placed mat are formed by pinning the small water droplets to any high adhesive position after localized light irradiation. Moreover, after evaporation of the water droplets containing aggregation-induced emission materials, the mat exhibits bright fluorescence upon faint UV irradiation to indicate the trace with the same pattern as the original droplets. Such photo-switchable superhydrophobic mats would provide an open tunable surface for microdroplets manipulation.http://www.sciencedirect.com/science/article/pii/S2666542520300229Liquid crystal polymersTunable adhesive forceAzobenzeneSurface chemistryElectrospinning |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Xiao Zhang Lang Qin Yuyun Liu Jia Wei Yanlei Yu |
spellingShingle |
Xiao Zhang Lang Qin Yuyun Liu Jia Wei Yanlei Yu Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers Giant Liquid crystal polymers Tunable adhesive force Azobenzene Surface chemistry Electrospinning |
author_facet |
Xiao Zhang Lang Qin Yuyun Liu Jia Wei Yanlei Yu |
author_sort |
Xiao Zhang |
title |
Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers |
title_short |
Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers |
title_full |
Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers |
title_fullStr |
Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers |
title_full_unstemmed |
Manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers |
title_sort |
manipulating small water droplets on a photo-switchable mat of fluorinated linear liquid crystal polymers |
publisher |
Elsevier |
series |
Giant |
issn |
2666-5425 |
publishDate |
2020-06-01 |
description |
Manipulating small water droplets on an intelligent surface with tunable superhydrophobic adhesion has attracted considerable interests because of potential applications ranging from no-loss transfer to surface chemistry but remains challenging. Herein, we present a strategy to manipulate the small water droplet on a photo-switchable mat, which is fabricated by a fluorinated linear liquid crystal polymer via electrospinning. The electrospun mat with hierarchical microstructures exhibits fast and reversible superhydrophobic adhesion change, and still remains the superhydrophobicity after pinning and removing of the water droplets for several times. Diverse erasable and rewritable arrays on the vertically placed mat are formed by pinning the small water droplets to any high adhesive position after localized light irradiation. Moreover, after evaporation of the water droplets containing aggregation-induced emission materials, the mat exhibits bright fluorescence upon faint UV irradiation to indicate the trace with the same pattern as the original droplets. Such photo-switchable superhydrophobic mats would provide an open tunable surface for microdroplets manipulation. |
topic |
Liquid crystal polymers Tunable adhesive force Azobenzene Surface chemistry Electrospinning |
url |
http://www.sciencedirect.com/science/article/pii/S2666542520300229 |
work_keys_str_mv |
AT xiaozhang manipulatingsmallwaterdropletsonaphotoswitchablematoffluorinatedlinearliquidcrystalpolymers AT langqin manipulatingsmallwaterdropletsonaphotoswitchablematoffluorinatedlinearliquidcrystalpolymers AT yuyunliu manipulatingsmallwaterdropletsonaphotoswitchablematoffluorinatedlinearliquidcrystalpolymers AT jiawei manipulatingsmallwaterdropletsonaphotoswitchablematoffluorinatedlinearliquidcrystalpolymers AT yanleiyu manipulatingsmallwaterdropletsonaphotoswitchablematoffluorinatedlinearliquidcrystalpolymers |
_version_ |
1724542654053613568 |