Rapidly responsive liquid metal/polyimide photothermal actuators designed based on the bilayer structure difference in coefficient of thermal expansion

doi:10.1039/d2tc02820d

	Rapidly responsive liquid metal/polyimide photothermal actuators designed based on the bilayer structure difference in coefficient of thermal expansion
	Li, Xiaofei 1,2; Ding, Xin 1; Du, Yuhang 1,2; Xiao, Chao 1,3; Wang, Yanyan 1; Zheng, Kang 1,3; Liu, Xianglan 1; Chen, Lin 1; Tian, Xingyou 1,2; Zhang, Xian 1,2,3,4
刊名	JOURNAL OF MATERIALS CHEMISTRY C
	2022-08-26
ISSN号	2050-7526
DOI	10.1039/d2tc02820d
通讯作者	Zhang, Xian(xzhang@issp.ac.cn)
英文摘要	Photothermal actuators have received more and more attention due to their high efficiency, easy fabrication, and various implementation methods. In this work, we prepared a photothermal actuator via structural design using liquid metal (LM) particles and polyimide. Due to the flexibility of liquid metals, which is different from those of other rigid fillers, the photothermal actuator responds rapidly with a bending speed of 21.89 degrees s(-1), which exceeds those of most of the reported photothermal actuators. In addition, this work explored the photoactuation mechanism of the liquid metal/polyimide photothermal actuator and found that the difference in the thermal expansion coefficient was the main reason for the liquid metal content to be low. What's more, the photothermal actuator can mimic the creeping of caterpillars, the swimming of fish, and the lifting and falling of arms under a NIR laser. Besides, the photoactuators can be used as light-controlled switches to realize the remote and precise control of the circuit. Therefore, photoactuators are expected to be used in the fields of bionic systems and flexible robots, which enriches the research content of photoactuators and expands the application field of liquid metals.
资助项目	National Natural Science Foundation of China[U21A2094] ; CASHIPS Director's Fund[YZJJZX202015]
WOS关键词	GRAPHENE OXIDE ; DRIVEN ; SOFT
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000851219900001
资助机构	National Natural Science Foundation of China ; CASHIPS Director's Fund
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/128863]
专题	中国科学院合肥物质科学研究院
通讯作者	Zhang, Xian
作者单位	1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Photovolta & Energy Conservat Mat, HFIPS, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Anhui Inst Innovat Ind Technol, Luan Branch, Luan 237100, Peoples R China 4.2221 Changjiang West Rd, Hefei, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Li, Xiaofei,Ding, Xin,Du, Yuhang,et al. Rapidly responsive liquid metal/polyimide photothermal actuators designed based on the bilayer structure difference in coefficient of thermal expansion[J]. JOURNAL OF MATERIALS CHEMISTRY C,2022.
APA	Li, Xiaofei.,Ding, Xin.,Du, Yuhang.,Xiao, Chao.,Wang, Yanyan.,...&Zhang, Xian.(2022).Rapidly responsive liquid metal/polyimide photothermal actuators designed based on the bilayer structure difference in coefficient of thermal expansion.JOURNAL OF MATERIALS CHEMISTRY C.
MLA	Li, Xiaofei,et al."Rapidly responsive liquid metal/polyimide photothermal actuators designed based on the bilayer structure difference in coefficient of thermal expansion".JOURNAL OF MATERIALS CHEMISTRY C (2022).