TITLE

Photoinduced molecular desorption from graphene films

AUTHOR(S)
Sun, Pengzhan; Zhu, Miao; Wang, Kunlin; Zhong, Minlin; Wei, Jinquan; Wu, Dehai; Cheng, Yao; Zhu, Hongwei
PUB. DATE
July 2012
SOURCE
Applied Physics Letters;7/30/2012, Vol. 101 Issue 5, p053107
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Photoinduced molecular desorption from solid surfaces will modify the electrical transporting properties of matter and result in significant change in resistance. The UV induced resistive response of graphene films prepared by chemical vapor deposition was investigated. The resistance of graphene increased exponentially upon UV irradiation and decreased also in an exponential form when the UV light was turned off. Both processes exhibited large time constants of hundreds of seconds. UV-induced molecular desorption mechanisms for graphene, carbon nanotubes, and reduced graphene oxides were compared and discussed.
ACCESSION #
78299144

 

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