• 文献标题:   The effect of electron irradiation on the electrical properties of reduced graphene oxide paper
  • 文献类型:   Article
  • 作  者:   VOITSIHOVSKA OO, RUDENKO RM, POVARCHUK VY, ABAKUMOV AA, BYCHKO IB, STETSENKO MO, RUDENKO MP
  • 作者关键词:   carbon material, radiation damage, reduced graphene oxide, electron beam irradiation, electrical propertie
  • 出版物名称:   MATERIALS LETTERS
  • ISSN:   0167-577X EI 1873-4979
  • 通讯作者地址:   Natl Acad Sci
  • 被引频次:   7
  • DOI:   10.1016/j.matlet.2018.10.119
  • 出版年:   2019

▎ 摘  要

Effect of 1 MeV electron irradiation with the dose up to 160 x 10(15) cm(2) on the electrical properties of reduced graphene oxide paper (rGOP) was investigated in a temperature range of 8-300 K. It was found that rGOP has fairly high irradiation stability, but sufficiently high dose causes nonmonotonic changes in the resistivity. The effect of electron irradiation on the resistivity is more substantial under the low temperatures of electrical measurements. It was assumed that the modification of electrical properties is due to the effect of electron irradiation on the ensembles of the sp(3)-hybridized carbon atoms. It was shown that in the studied rGOP, the transport of charge carriers occurs by variable range hopping conductivity in the wide temperature range and conduction mechanism remains the same after electron irradiation. (C) 2018 Elsevier B.V. All rights reserved.