• 文献标题:   Cucurbit[8]uril-Derived Graphene Hydrogels
  • 文献类型:   Article
  • 作  者:   RANA VK, TABET A, VIGIL JA, BALZER CJ, NARKEVICIUS A, FINLAY J, HALLOU C, ROWITCH DH, BULSTRODE H, SCHERMAN OA
  • 作者关键词:  
  • 出版物名称:   ACS MACRO LETTERS
  • ISSN:  
  • 通讯作者地址:   Univ Cambridge
  • 被引频次:   1
  • DOI:   10.1021/acsmacrolett.9b00717
  • 出版年:   2019

▎ 摘  要

The scalable production of uniformly distributed graphene (GR)-based composite materials remains a sizable challenge. While GR-polymer nanocomposites can be manufactured at a large scale, processing limitations result in poor control over the homogeneity of hydrophobic GR sheets in the matrices. Such processes often result in difficulties controlling stability and avoiding aggregation, therefore eliminating benefits that might have otherwise arisen from the nanoscopic dimensions of GR. Here, we report an exfoliated and stabilized GR dispersion in water. Cucurbit[8]uril (CB[8])-mediated host-guest chemistry was used to obtain supramolecular hydrogels consisting of uniformly distributed GR and guest-functionalized macromolecules. The obtained GR hydrogels show superior bioelectrical properties over identical systems produced without CB[8]. Utilizing such supramolecular interactions with biologically derived macromolecules is a promising approach to stabilize graphene in water and avoid oxidative chemistry.