General Preparation and Shaping of Multifunctional Nanowire Aerogels for Pressure/Gas/Photo‑Sensing

查看全文 作　　者：Xiaoyu [1]Liu;Gaoyu [1]Chen;Jianchun [1]Bao;Xiangxing [1]Xu

机构地区：[1]Jiangsu Key Laboratory of New Power Batteries,Jiangsu Collaborative Innovation Center of Biomedical Functional Materials,School of Chemistry and Materials Science,Nanjing Normal University,Nanjing 210046,People’s Republic of China

出　　处：《Advanced Fiber Materials》索引2022年第4卷第1期,共10页

基　　金：This work was supported by the National Natural Science Foundation of China(NSFC)nos.21871143,22075147. 摘　　要：Nanowires(NWs)with ultrahigh aspect ratio are good one-dimensional(1D)nano scafolds for building functional aerogels.However,challenges still remain in exploring methods to prepare shape designable NW aerogels with high quality,and to reveal multi functions in a single NW aerogel monolith.Here,we report a general camphene freeze-drying method for preparation of various inorganic NW aerogels(e.g,Cu,hydroxylapatite,MnO_(2)and MnOOH NW aerogels),2D graphene oxide nanosheet aerogels,organic polymer aerogels of polystyrene(post-synthesis)and resin(in situ polymerization)aerogels,which can be freely shaped in the frozen monolith stage.The as prepared aerogels have even distributed porosity and smooth surface.Also camphene is cheap and can be efectively recycling collected for reuse.For the Cu NW aerogel with even porosity and low density of 20 mg cm^(−3),multifunctional pressure/gas/photo-sensing was demonstrated.A high pressure sensitivity of 1.7 kPa^(−1)was achieved. 关键词：Nanowires AEROGEL CAMPHENE MULTIFUNCTION SENSING

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General Preparation and Shaping of Multifunctional Nanowire Aerogels for Pressure/Gas/Photo‑Sensing

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