Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 335 Science Road, Daejeon, Republic of Korea.
Adv Mater. 2012 Feb 21;24(8):1084-8. doi: 10.1002/adma.201104110. Epub 2012 Jan 24.
Highly photoactive, graphene-wrapped anatase TiO(2) nanoparticles are synthesized through one-step hydrothermal reduction of graphene oxide (GO) and TiO(2) crystallization from GO-wrapped amorphous TiO(2) NPs. Graphene-TiO(2) nanoparticles exhibit a red-shift of the band-edge and a significant reduction of the bandgap (2.80 eV). Graphene-TiO(2) nanoparticles possess excellent photocatalytic properties under visible light for the degradation of methylene blue.
通过一步水热还原氧化石墨烯（GO）和 GO 包裹的无定形 TiO2 NPs 的 TiO2 结晶，合成了高光敏性的石墨烯包裹锐钛矿 TiO2 纳米粒子。石墨烯-TiO2 纳米粒子表现出带边缘的红移和带隙的显著减小（2.80 eV）。在可见光下，石墨烯-TiO2 纳米粒子具有优异的光催化性能，可用于降解亚甲基蓝。
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