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Jeong, Hu Young
UCRF Electron Microscopy group
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Synthesis and characterization of patronite form of vanadium sulfide on graphitic layer

Author(s)
Rout, Chandra SekharKim, Byeong-HwanXu, XiaodongYang, JieunJeong, Hu YoungOdkhuu, DorjPark, NoejungCho, JaephilShin, Hyeon Suk
Issued Date
2013-06
DOI
10.1021/ja403232d
URI
https://scholarworks.unist.ac.kr/handle/201301/3273
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84878949966
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.
Publisher
AMER CHEMICAL SOC
ISSN
0002-7863
Keyword
TOTAL-ENERGY CALCULATIONSWAVE BASIS-SETVALLEY POLARIZATIONGRAPHENE OXIDEION BATTERIESMOS2XPSINTERCALATIONNANOCOMPOSITENANOPARTICLES

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