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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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Synthesis and characterization of patronite form of vanadium sulfide on graphitic layer

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Title
Synthesis and characterization of patronite form of vanadium sulfide on graphitic layer
Author
Rout, Chandra SekharKim, Byeong-HwanXu, XiaodongYang, JieunJeong, Hu YoungOdkhuu, DorjPark, NoejungCho, JaephilShin, Hyeon Suk
Keywords
Energy conversion and storages; Experimental difficulties; Hydrothermal methods; Non-stoichiometric phasis; Perylene-3 ,4 ,9 ,10-tetracarboxylic dianhydride; Resulting materials; Synthesis and characterizations; Transition metal chalcogenides
Issue Date
201306
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.135, no.23, pp.8720 - 8725
Abstract
With the exploding interest in transition metal chalcogenides, sulfide minerals containing the dianion S2 2-, such as pyrite (FeS2), cattierite (CoS2), and vaesite (NiS2), have recently attracted much attention for potential applications in energy conversion and storage devices. However, the synthesis of the patronite structure (VS4, V4+(S2 2-) 2) and its applications have not yet been clearly demonstrated because of experimental difficulties and the existence of nonstoichiometric phases. Herein, we report the synthesis of VS4 using a simple, facile hydrothermal method with a graphene oxide (GO) template and the characterization of the resulting material. Tests of various templates such as CNT, pyrene, perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA), and graphite led us to the conclusion that the graphitic layer plays a role in the nucleation during growth of VS4. Furthermore, the VS4/rGO hybrid was proved to be a promising functional material in energy storage devices.
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DOI
http://dx.doi.org/10.1021/ja403232d
ISSN
0002-7863
Appears in Collections:
SNS_Journal Papers
UCRF_Journal Papers
ECHE_Journal Papers

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