• 文献标题:   Subtle devising of electro-induced shape memory behavior for cellulose/ graphene aerogel nanocomposite
  • 文献类型:   Article
  • 作  者:   XIAO XL, HUANG XY, WANG A, CAO SJ, NOROOZI M, PANAHISARMAD M
  • 作者关键词:   aerogel, shape memory effect, cellulose, graphene oxide
  • 出版物名称:   CARBOHYDRATE POLYMERS
  • ISSN:   0144-8617 EI 1879-1344
  • 通讯作者地址:  
  • 被引频次:   9
  • DOI:   10.1016/j.carbpol.2021.119042 EA JAN 2022
  • 出版年:   2022

▎ 摘  要

Herein, a cellulose-based aerogel, containing graphene-oxide (GO), chemically-reduced-GO (CrGO), and thermally-reduced-GO (TrGO), has been facile prepared to investigate mechanical and electrical properties as well as meso-(nano)structure features. The effect of reduction processes on the cellulose/GO aerogel was tracked by FT-IR spectroscopy and EDS analysis, confirming the accomplishment of reduction processes-carbon/oxygen (C/O) ratio asserted it evidently. The formation of porous structure has been declared using SEM micrographs, and then, Mercury-porosimetry and BET tests revealed meso-(nano)structure of aerogels. The improvement of mechanical behavior with the increment of Young modulus has been seen by raising C/O ratio. Low thermal and moderate electrical conductivity was measured for the reduced aerogels concerning the addition of different conductive fillers. With introducing a novel method for studying shape memory properties, the best shape re-covery rate was obtained for thermally reduced aerogel in an aqueous situation by simultaneously applying mechanical force and an electrical field (various voltages).