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Enhanced thermal conductivity of carbon nitride-doped graphene/polyimide composite film via a "deciduous-like" strategy

文献类型：期刊论文

作者Wang, Yanyan1,2,3; Zhang, Xian1,3; Ding, Xin1,3; Li, Ya4; Zhang, Ping1,2,3; Shu, Mengting1,2,3; Zhang, Qian1,2,3; Gong, Yi1,3; Zheng, Kang1,3; Wu, Bin4
刊名COMPOSITES SCIENCE AND TECHNOLOGY
出版日期2021-03-22
卷号205
关键词Graphene Carbon nitride Thermal conductivity Electrical insulation Polyimide film
ISSN号0266-3538
DOI10.1016/j.compscitech.2021.108693
通讯作者Zhang, Xian(xzhang@issp.ac.cn) ; Tian, Xingyou(xytian@issp.ac.cn)
英文摘要Driven by the rapid development of modern electronics in minimization, high integration and high-power density, tailored polymer films with high thermal conductivity and electrical insulation have made great progress. However, traditional approaches for enhancing thermal conductivity usually sacrifices processibility, electrical insulation and mechanical flexibility of the polymer films. Here, after settling doping reduced graphene oxide with carbon nitride (rGO@CN) in polyimide film (PI) by a facile deciduous-like strategy, we obtain polyimide film with both high thermal conductivity and satisfied electrical insulation at low filler loading. By taking the advantage of thermally conductive channels provided by continuous rGO@CN layer, PI/rGO@CN composite film at 10 wt% filler loading exhibits a maximum thermal conductivity of 6.08 Wm(-1) K-1 which is about 30-fold compared with that of pure PI film (0.2 Wm(-1) K-1). Besides, the PI/rGO@CN composite film also maintains excellent electrical insulation, mechanical flexibility and thermal stability. Furthermore, the thermal conductivity of rGO@CN has been further explored by non-equilibrium molecular dynamics simulation. This work provides new strategy for the industrial production of PI film with high thermal conductivity and electrical insulation.
资助项目National Key Research and Development Program of China[2017YFB0406200] ; Key Project of Science and Technology Service Network Initiative of the Chinese Academy of Sciences[KFJ-STS-ZDTP-069] ; Anhui Provincial Natural Science Foundation[1808085QE160] ; University Synergy Innovation Program of Anhui Province[GXXT-2019-030] ; Anhui Province Key Laboratory of Environmentfriendly Polymer Materials
WOS研究方向Materials Science
语种英语
WOS记录号WOS:000618486500010
出版者ELSEVIER SCI LTD
资助机构National Key Research and Development Program of China ; Key Project of Science and Technology Service Network Initiative of the Chinese Academy of Sciences ; Anhui Provincial Natural Science Foundation ; University Synergy Innovation Program of Anhui Province ; Anhui Province Key Laboratory of Environmentfriendly Polymer Materials
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/120170]  
专题中国科学院合肥物质科学研究院
通讯作者Zhang, Xian; Tian, Xingyou
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230088, Peoples R China
4.Anhui Univ, Sch Chem & Chem Engn, Key Lab Environm Friendly Polymer Mat Anhui Prov, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Yanyan,Zhang, Xian,Ding, Xin,et al. Enhanced thermal conductivity of carbon nitride-doped graphene/polyimide composite film via a "deciduous-like" strategy[J]. COMPOSITES SCIENCE AND TECHNOLOGY,2021,205.
APA Wang, Yanyan.,Zhang, Xian.,Ding, Xin.,Li, Ya.,Zhang, Ping.,...&Tian, Xingyou.(2021).Enhanced thermal conductivity of carbon nitride-doped graphene/polyimide composite film via a "deciduous-like" strategy.COMPOSITES SCIENCE AND TECHNOLOGY,205.
MLA Wang, Yanyan,et al."Enhanced thermal conductivity of carbon nitride-doped graphene/polyimide composite film via a "deciduous-like" strategy".COMPOSITES SCIENCE AND TECHNOLOGY 205(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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