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Issue 5, 2012
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Unconventional 0-, 1-, and 2-dimensional single-crystalline copper sulfide nanostructures

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Abstract

We report the synthesis of several unconventional 0-, 1- and 2-dimensional copper sulfide nanostrucutures by the chemical vapor deposition method. The key factor for morphology and structure control of a variety of copper sulfide products is the tuning of deposition and growth temperature to fit for the surface energy barriers and promote different growth directions. At a high growth temperature (480 °C) that provides enough thermal energy, a 0-D octahedral copper sulfide single crystal structure was synthesized. At a slightly lower growth temperature (460 °C), a new 1-D copper sulfide nanorod structure with a nanocrystal head was discovered for the first time. At a much lower growth temperature (150 °C), 2-D copper sulfide nanoflakes with a single crystal hexagonal structure were obtained. These novel structural varieties of copper sulfide can lead to discovering more unconventional material structures and growth mechanisms of other transitional metal chalcogenides, and may allow for new copper sulfide based devices and applications.

Graphical abstract: Unconventional 0-, 1-, and 2-dimensional single-crystalline copper sulfide nanostructures

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Publication details

The article was received on 07 Dec 2011, accepted on 15 Jan 2012 and first published on 18 Jan 2012


Article type: Paper
DOI: 10.1039/C2NR11931E
Nanoscale, 2012,4, 1794-1799

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    Unconventional 0-, 1-, and 2-dimensional single-crystalline copper sulfide nanostructures

    M. Xu, H. Wu, P. Da, D. Zhao and G. Zheng, Nanoscale, 2012, 4, 1794
    DOI: 10.1039/C2NR11931E

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