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Graphene Decorated with Hierarchical CuS Nanoplates: Enhanced Photocatalytic Performance
BIN ZENG,Wanfeng Liu,WUJUN ZENG,Can Jin 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2018 NANO Vol.13 No.3
Graphene decorated with hierarchical CuS nanoplates (CuS NP-G) was synthesized using a microwave method to be used as a photocatalytic material. The incorporation of graphene into hierarchical CuS nanoplates was confirmed by structural, morphological and optical characterizations. The photocatalytic performance of the nanocomposite was evaluated. This study confirmed that the introduction of graphene was an effective way not only to improve the structural stability and service durability of the composite, but also to improve its solar photocatalytic activity by promoting the electron transfer and charge separation of hierarchical CuS nanoplates.
BIN ZENG,YOUXIN LUO,QIYUAN LIU,WUJUN ZENG 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.2
The composite of carbon nanotubes/graphene networks loaded-Ni (CNTs/GR-Ni) were suc-cessfully synthesized by spray drying and post-calcinating method for the ¯rst time. The syn-thesized products were systematically studied by X-ray di®raction, scanning electron microscopyand transmission electron microscopy. The result showed the hybrid of CNTs and graphenecomposed the 3D network structure and Ni nanoparticles were attaching on their surface. Adsorption performance evidenced that the obtained nanocomposite possessed high adsorptione±ciency and excellent separation property.
BIN ZENG,WUJUN ZENG 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2017 NANO Vol.12 No.1
Graphene loaded hexagonal CuS/Ag2S nanoplates have been successfully synthesized. Scanning electron microscopy and transmission electron microscopy observations show that hexagonal CuS/Ag2S nanoplates are tightly anchored onto graphene. The experimental results show that these nanocomposites have a highly visible-light photocatalytic performance. The high visible photocatalytic activities can be attributed to direct photoinduced interfacial charge transfer in the hexagonal CuS/Ag2S nanoplates and the further electrons transfer from CuS/Ag2S to graphene.