Electrospinning of Neat Graphene Nanofbers

查看全文 作　　者：Zhanpo [1,3]Han;Jiaqing [1]Wang;Senping [1]Liu;Qinghua [2]Zhang;Yingjun [1]Liu;Yeqiang [2,3]Tan;Shiyu [1]Luo;Fan [1]Guo;Jingyu [1]Ma;Peng [1]Li;Xin [1]Ming;Chao [1]Gao;Zhen [1]Xu

机构地区：[1]MOE Key Laboratory of Macromolecular Synthesis and Functionalization,Department of Polymer Science and Engineering,Key Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang Province,Zhejiang University,38 Zheda Road,Hangzhou 310027,People’s Republic of China;[2]State Key Laboratory for Modifcation of Chemical Fibers and Polymer Materials,Donghua University,Shanghai 200051,People’s Republic of China;[3]State Key Laboratory of Bio-Fibers and Eco-Textiles,Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile Technology,School of Materials Science and Engineering,Qingdao University,Qingdao 266071,People’s Republic of China

出　　处：《Advanced Fiber Materials》索引2022年第4卷第2期,共12页

基　　金：This work is supported by the National Natural Science Foundation of China(Nos.52090030,51973191,51533008,51803177 and 51873191);Hundred Talents Program of Zhejiang University(188020*194231701/113);National Key R&D Program of China(No.2016YFA0200200);Key research and development plan of Zhejiang Province(2018C01049);Fujian Provincial Science and Technology Major Projects(NO.2018HZ0001-2);the Fundamental Research Funds for the Central Universities(NO.K20200060);Key Laboratory of Novel Adsorption and Separation Materials and Application Technology of Zhejiang Province(512301-I21502);Shandong Provincial Natural Science Foundation(ZR2019YQ19);Project of Shandong Province Higher Educational Science and Technology Program(2019KJA026);State Key Laboratory for Modifcation of Chemical Fibers and Polymer Materials,Donghua University(KF2110). 摘　　要：Macroscopic assembly of graphene sheets has renovated the preparation of neat carbonaceous fbers with integrating high performance and superior functionalities,beyond the pyrolysis of conventional polymeric precursors.To date,graphene microfbers by the liquid crystalline wet-spinning method have been established.However,how to reliably prepare continuous neat graphene nanofbers remains unknown.Here,we present the electrospinning of neat graphene nanofbers enabled by modulating colossally extensional fow state of graphene oxide liquid crystals.We use polymer with mega molecular weight as transient additives to realize the colossal extensional fow and electrospinning.The neat graphene nanofbers feature high electronic quality and crystallinity and exhibit high electrical conductivity of 2.02×10^(6) S/m that is to be comparable with single crystal graphite whisker.The electrospinning of graphene nanofbers was extended to prepare large-area fabric with high fexibility and superior specifc electrical/thermal conductivities.The electrospinning of graphene nanofbers opens the door to nanofbers of rich two-dimensional sheets and the neat graphene nanofbers may grow to be a new species after conventional carbonaceous nanofbers and whiskers in broad functional applications. 关键词：ELECTROSPINNING Graphene nanofber Functional fabrics

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Electrospinning of Neat Graphene Nanofbers

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