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Photo-Programmed Deformations in Rigid Liquid Crystalline Polymers Triggered by Body Temperature
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Hyunsu | - |
dc.contributor.author | Li, Jing | - |
dc.contributor.author | Hsieh, Yves S. Y. | - |
dc.contributor.author | Cho, Maenghyo | - |
dc.contributor.author | Ahn, Sung-Hoon | - |
dc.contributor.author | Li, Chenzhe | - |
dc.date.accessioned | 2022-10-26T00:27:52Z | - |
dc.date.available | 2022-10-26T00:27:52Z | - |
dc.date.created | 2022-10-14 | - |
dc.date.issued | ACCEPT | - |
dc.identifier.citation | Small | - |
dc.identifier.issn | 1613-6810 | - |
dc.identifier.uri | https://hdl.handle.net/10371/186689 | - |
dc.description.abstract | Deformations triggered by body heat are desirable in the context of shape-morphing applications because, under the majority of circumstances, the human body maintains a higher temperature than that of its surroundings. However, at present, this bioenergy-triggered action is primarily limited to soft polymeric networks. Thus, herein, the programming of body temperature-triggered deformations into rigid azobenzene-containing liquid crystalline polymers (azo-LCPs) with a glass-transition temperature of 100 degrees C is demonstrated. To achieve this, a mechano-assisted photo-programming strategy is used to create a metastable state with room-temperature stable residual stress, which is induced by the isomerization of azobenzene. The programmed rigid azo-LCP can undergo large-amplitude body temperature-triggered shape changes within minutes and can be regenerated without any performance degradation. By changing the programming photomasks and irradiation conditions employed, various 2D to 3D shape-morphing architectures, including folded clips, inch-worm structures, spiral structures, and snap-through motions are achieved. When programmed with polarized light, the proposed strategy results in domain-selective activation, generating designed characteristics in multi-domain azo-LCPs. The reported strategy is therefore expected to broaden the applications of azo-LCPs in the fields of biomedical and flexible microelectronic devices. | - |
dc.language | 영어 | - |
dc.publisher | Wiley - V C H Verlag GmbbH & Co. | - |
dc.title | Photo-Programmed Deformations in Rigid Liquid Crystalline Polymers Triggered by Body Temperature | - |
dc.type | Article | - |
dc.identifier.doi | 10.1002/smll.202203772 | - |
dc.citation.journaltitle | Small | - |
dc.identifier.wosid | 000860596700001 | - |
dc.identifier.scopusid | 2-s2.0-85138733061 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Cho, Maenghyo | - |
dc.contributor.affiliatedAuthor | Ahn, Sung-Hoon | - |
dc.type.docType | Article; Early Access | - |
dc.description.journalClass | 1 | - |
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