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Ruling out delamination in bismuth-enhanced polyimide electrochemical actuator with tunable active/passive layer thickness
Wang, Si-Qi1; Zhang, Bin1; Luo, Xue-Mei2; Liang, Fei2; Zhang, Guang-Ping2
Corresponding AuthorZhang, Bin(zhangb@atm.neu.edu.cn) ; Zhang, Guang-Ping(gpzhang@imr.ac.cn)
2020-03-21
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Volume8Issue:11Pages:5679-5687
AbstractIonic electroactive polymer (iEAP) actuators have attracted wide attention due to their capability of producing desired deformation under low voltages by ion diffusion. However, these actuators are always subjected to a slow response and fatal delamination at the bonding interface during deformation. Here, we report a novel polyimide/gold/bismuth (PI/Au/Bi) actuator driven by the electrochemical redox of PI with tunable active/passive layer thickness to generate large and tunable strain, where metallic Bi is indispensable to promote the actuating behavior by enhancing the reversible redox of PI. Much faster charge transportation and better conductivity of the PI/Au/Bi film were observed after coating with Bi. The actuator demonstrated large and tunable strain under a long service life owing to the fact that PI acted as both the active layer and passive layer, which effectively ruled out the delamination issue. This work not only develops bismuth-enhanced ionic actuators, but finds a new use for low-dielectric-constant polymers rather than conductive polymers as actuator materials.
Funding OrganizationNational Natural Science Foundation of China
DOI10.1039/c9ta13003a
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671050] ; National Natural Science Foundation of China[51971060] ; National Natural Science Foundation of China[51771207]
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000521109000027
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137894
Collection中国科学院金属研究所
Corresponding AuthorZhang, Bin; Zhang, Guang-Ping
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, Si-Qi,Zhang, Bin,Luo, Xue-Mei,et al. Ruling out delamination in bismuth-enhanced polyimide electrochemical actuator with tunable active/passive layer thickness[J]. JOURNAL OF MATERIALS CHEMISTRY A,2020,8(11):5679-5687.
APA Wang, Si-Qi,Zhang, Bin,Luo, Xue-Mei,Liang, Fei,&Zhang, Guang-Ping.(2020).Ruling out delamination in bismuth-enhanced polyimide electrochemical actuator with tunable active/passive layer thickness.JOURNAL OF MATERIALS CHEMISTRY A,8(11),5679-5687.
MLA Wang, Si-Qi,et al."Ruling out delamination in bismuth-enhanced polyimide electrochemical actuator with tunable active/passive layer thickness".JOURNAL OF MATERIALS CHEMISTRY A 8.11(2020):5679-5687.
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