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Issue 42, 2016
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Layered crystalline ZnIn2S4 nanosheets: CVD synthesis and photo-electrochemical properties

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Abstract

Two-dimensional semiconductors with layer thicknesses of a few nanometers to tens of nanometers have attracted tremendous research interest due to their fascinating electrical, optical, and optoelectronic properties and technologically important applications. In this work, two dimensional ternary ZnIn2S4 nanosheets which self-assemble into microflowers have been synthesized through a feasible chemical vapour deposition process. High-resolution transmission electron microscope (HRTEM) analysis reveals that the ZnIn2S4 nanostructure exhibits an extremely high phase purity and a single crystal nature free of dislocations, stacking faults or twins. UV-visible diffuse reflection measurements and room-temperature photoluminescence characterizations reveal that the ZnIn2S4 nanosheets have a strong visible absorption in the range of the energy band gap of 2.6 eV and a wide luminescence band covering the visible spectrum from the green to infrared regions. Photo-electrochemical tests using the ZnIn2S4 nanosheets as a photoanode suggest that ZnIn2S4 nanosheets have a sensitive photoresponse to irradiation with visible light and can thus be used for clean energy harvesting.

Graphical abstract: Layered crystalline ZnIn2S4 nanosheets: CVD synthesis and photo-electrochemical properties

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Publication details

The article was received on 02 Sep 2016, accepted on 06 Oct 2016 and first published on 07 Oct 2016


Article type: Paper
DOI: 10.1039/C6NR06969J
Citation: Nanoscale, 2016,8, 18197-18203
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    Layered crystalline ZnIn2S4 nanosheets: CVD synthesis and photo-electrochemical properties

    W. Yang, B. Liu, T. Fang, W. Jennifer, L. Christophe, Z. Li, X. Zhang and X. Jiang, Nanoscale, 2016, 8, 18197
    DOI: 10.1039/C6NR06969J

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