Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, PRChina.
Nanoscale. 2012 Mar 21;4(6):2124-9. doi: 10.1039/c2nr00034b. Epub 2012 Feb 15.
A novel method has been developed to prepare hydrogenated graphene (HG) via a direct synchronized reduction and hydrogenation of graphene oxide (GO) in an aqueous suspension under (60)Co gamma ray irradiation at room temperature. GO can be reduced by the aqueous electrons (e(aq)(-)) while the hydrogenation takes place due to the hydrogen radicals formed in situ under irradiation. The maximum hydrogen content of the as-prepared highly hydrogenated graphene (HHG) is found to be 5.27 wt% with H/C = 0.76. The yield of the target product is on the gram scale. The as-prepared HHG also shows high performance as an anode material for lithium ion batteries.
一种新颖的方法被开发出来，通过在室温下用（60）Co 伽马射线辐照，在水悬浮液中直接同步还原和氢化氧化石墨烯（GO）来制备氢化石墨烯（HG）。GO 可以被水合电子（e(aq)(-))还原，而氢化则是由于辐照下原位形成的氢自由基所致。所制备的高度氢化石墨烯（HHG）的最大氢含量为 5.27wt%，H/C 比为 0.76。目标产物的产率达到了克级。所制备的 HHG 还表现出作为锂离子电池阳极材料的高性能。
