• 文献标题:   Fractal dimension and phase transition of graphene oxide (GO) doped polyacrylamide
  • 文献类型:   Article
  • 作  者:   EVINGUR GA, PEKCAN O
  • 作者关键词:   acrylamide, graphene oxide go, composite gel, fractal dimension, critical phenomena, fluorescence
  • 出版物名称:   POLYMER TESTING
  • ISSN:   0142-9418 EI 1873-2348
  • 通讯作者地址:   Piri Reis Univ
  • 被引频次:   0
  • DOI:   10.1016/j.polymertesting.2020.106386
  • 出版年:   2020

▎ 摘  要

Graphene Oxide (GO)- Polyacrylamide composites prepared between 5 and 50 mu l GO were performed by Fluorescence Spectroscopy. The phase transition performed on the composites was measured by calculating the critical exponents, beta and gamma, respectively. In addition, fractal analysis of the composites was calculated by a fluorescence intensity of 427 nm. The geometrical distribution of GO in the composites was calculated based on the power law exponent values using scaling models. While the gelation proceeded GO plates first organized themselves into a 3D percolation cluster with the fractal dimension (D-f) of the composite, D-f = 2.63, then After it goes to diffusion limited clusters with D-f = 1.4, its dimension lines up to a Von Koch curve with a random interval of D-f = 1.14.