Effect of irradiation on graphene oxide by sunlight, UV light and KrF excimer laser has been investigated in detail. Both sunlight and ultraviolet light reduce graphene oxide well after prolonged irradiation, but laser irradiation produces graphene with negligible oxygen functionalities within a short time. Laser irradiation is also useful for one-step synthesis of metal particle decorated graphene. Laser irradiation of graphene oxide appears to be an efficient procedure for large-scale synthesis of graphene.
Jong‐Myeong Jeon, Taemin Ludvic Kim, Young‐Seok Shim, You Rim Choi, Seokhoon Choi, Seonyong Lee, Ki Chang Kwon, Seong‐Hyeon Hong, Young‐Woon Kim, Soo Young Kim, Miyoung Kim, Ho Won Jang
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