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Sensitively Humidity-Driven Actuator Based on Photopolymerizable PEG-DA Films
Lv, Chao; Xia, Hong; Shi, Qing; Wang, Gong; Wang, Ying-Shuai; Chen, Qi-Dai; Zhang, Yong-Lai; Liu LQ(刘连庆); Sun, Hong-Bo
Indexed BySCI
WOS IDWOS:000401009400004
Contribution Rank2
Funding OrganizationNational Natural Science Foundation of China [61435005, 51335008, 61378053, 61590930, 91423102] ; Open Project of the State Key Laboratory of Robotics [51373064]
AbstractHydrogels such as poly(ethylene glycol) diacrylate are a class of cross-linked polymers that have the ability to absorb water and change volume. Here, a humidity responsiveness of hydrogel film fabricated by the photopolymerization of poly(ethylene glycol) diacrylate (PEG-DA) monomer is reported. This kind of film could be driven by a small humidity gradient, thus spontaneous deformation and motion can be achieved by placing the film onto a moist filter paper. The influence factors of humidity response sensitivity such as the exposure time and number-average molecular weight of PEG-DA monomer used during the fabrication are investigated. Under different relative humidity, the film displays different degrees of pink color and the intensities of fluorescence under 365 nm illumination are also different, which renders the film to be used as a "humidity test strip." A humidity-driven walking device is fabricated and the walking velocity is about 3 mm min(-1) under the actuating water vapor. Vapor of volatile polar solvents could also drive the actuator to achieve fast deformation and shows the variety of the film responsivity.
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Materials Science
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Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorXia, Hong
Affiliation1.State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
3.College of Physics, Jilin University, Changchun 130023, China
Recommended Citation
GB/T 7714
Lv, Chao,Xia, Hong,Shi, Qing,et al. Sensitively Humidity-Driven Actuator Based on Photopolymerizable PEG-DA Films[J]. ADVANCED MATERIALS INTERFACES,2017,4(9):1-14.
APA Lv, Chao.,Xia, Hong.,Shi, Qing.,Wang, Gong.,Wang, Ying-Shuai.,...&Sun, Hong-Bo.(2017).Sensitively Humidity-Driven Actuator Based on Photopolymerizable PEG-DA Films.ADVANCED MATERIALS INTERFACES,4(9),1-14.
MLA Lv, Chao,et al."Sensitively Humidity-Driven Actuator Based on Photopolymerizable PEG-DA Films".ADVANCED MATERIALS INTERFACES 4.9(2017):1-14.
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