SONG Ning-jing, LU Chun-xiang, CHEN Cheng-meng, MA Can-liang, KONG Qing-qiang. Effect of annealing temperature on the mechanical properties of flexible graphene films. New Carbon Mater., 2017, 32(3): 221-226. doi: 10.1016/S1872-5805(17)60119-7
Citation: SONG Ning-jing, LU Chun-xiang, CHEN Cheng-meng, MA Can-liang, KONG Qing-qiang. Effect of annealing temperature on the mechanical properties of flexible graphene films. New Carbon Mater., 2017, 32(3): 221-226. doi: 10.1016/S1872-5805(17)60119-7

Effect of annealing temperature on the mechanical properties of flexible graphene films

doi: 10.1016/S1872-5805(17)60119-7
  • Received Date: 2017-02-12
  • Accepted Date: 2017-06-28
  • Rev Recd Date: 2017-05-06
  • Publish Date: 2017-06-28
  • Free-standing graphene films (GFs) as functional materials require high mechanical performance for a convenient industrial processing.GFs were prepared from graphene oxide films by annealing temperatures from 1 300 to 1 700℃,and were characterized by AFM,XRD,SEM,Raman spectroscopy and mechanical testing.Results indicate that the samples have a maximum tensile strength and fracture strain of 22.41 MPa and 2.44%,respectively and a minimum thermal conductivity of 744 Wm-1·K-1 for an annealing temperature at 1 500℃.This is related to physical interlocking which results,from surface wrinkles of the graphene layers.
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