• 文献标题:   Highly Washable and Conductive Cotton E-textiles Based on Electrochemically Exfoliated Graphene
  • 文献类型:   Article
  • 作  者:   EVSEEV ZI, VASILEVA FD, SMAGULOVA SA, DMITRIEV PS
  • 作者关键词:   graphene, graphene oxide, electrochemically exfoliated graphene, etextile, wearable electronic
  • 出版物名称:   MATERIALS
  • ISSN:  
  • 通讯作者地址:  
  • 被引频次:   1
  • DOI:   10.3390/ma16030958
  • 出版年:   2023

▎ 摘  要

In this study, cotton e-textiles were obtained using two types of graphene oxide. The first type of graphene oxide was synthesized using the Hummers' method. The second type was obtained by the electrochemical exfoliation of graphite in an ammonium salt solution. It was shown that e-textiles based on electrochemically exfoliated graphene have a higher electrical conductivity (2 k omega/sq) than e-textiles based on graphene oxide obtained by the Hummers' method (585 k omega/sq). In addition, textiles based on electrochemically exfoliated graphene exhibit better washing and mechanical stress stability. The electrical resistance of the e-textiles increased only 1.86 times after 10 cycles of washing, compared with 48 times for the Hummers' method graphene oxide textiles. The X-ray photoelectron spectra of the two types of graphene oxides showed similarity in their functional compositions after reduction. Studies of individual graphene flakes by atomic force microscopy showed that graphene oxide of the second type had a smaller lateral size. Raman spectroscopy showed a higher degree of sp(2) structure regeneration after reduction for the second type of graphene. These properties and the tendency to form agglomerated particles determine the mechanochemical stability and high electrical conductivity of e-textiles based on electrochemically exfoliated graphene.