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dc.contributor.authorXia, Xinhuien
dc.contributor.authorZhu, Changrongen
dc.contributor.authorLuo, Jingshanen
dc.contributor.authorZeng, Zhiyuanen
dc.contributor.authorGuan, Caoen
dc.contributor.authorNg, Chin Fanen
dc.contributor.authorZhang, Huaen
dc.contributor.authorFan, Hong Jinen
dc.identifier.citationXia, X., Zhu, C., Luo, J., Zeng, Z., Guan, C., Ng, C. F., et al. (2014). Synthesis of free-standing metal sulfide nanoarrays via anion exchange reaction and their electrochemical energy storage application. Small, 10(4), 766-773.en
dc.description.abstractMetal sulfides are an emerging class of high-performance electrode materials for solar cells and electrochemical energy storage devices. Here, a facile and powerful method based on anion exchange reactions is reported to achieve metal sulfide nanoarrays through a topotactical transformation from their metal oxide and hydroxide pre-forms. Demonstrations are made to CoS and NiS nanowires, nanowalls, and core-branch nanotrees on carbon cloth and nickel foam substrates. The sulfide nanoarrays exhibit superior redox reactivity for electrochemical energy storage. The self-supported CoS nanowire arrays are tested as the pseudo-capacitor cathode, which demonstrate enhanced high-rate specific capacities and better cycle life as compared to the powder counterparts. The outstanding electrochemical properties of the sulfide nanoarrays are a consequence of the preservation of the nanoarray architecture and rigid connection with the current collector after the anion exchange reactions.en
dc.rights© 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en
dc.titleSynthesis of free-standing metal sulfide nanoarrays via anion exchange reaction and their electrochemical energy storage applicationen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
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