PECVD growth of graphene on sapphire substrate and its gas sensor
YU Cui, HE Zezhao, LIU Qingbin, LI Xian, XIE Dan, CAI Shujun, FENG Zhihong
CIESC Journal . 2017, (11): 4423 -4427 .  DOI: 10.11949/j.issn.0438-1157.20170331