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Issue 34, 2014
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Facile synthesis of novel MoS2@SnO2 hetero-nanoflowers and enhanced photocatalysis and field-emission properties

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Abstract

A novel hierarchical MoS2@SnO2 hetero-nanoflower was successfully synthesized by a facile, two-step hydrothermal method without using any additives or surfactants. One possible growth mechanism of the hetero-nanostructure was presented in detail based on OH ion-dependent experimental facts. Due to the formation of the p–n junctions and the increased specific surface area in the composites, an outstanding photocatalytic activity of the as-prepared sample was obtained by monitoring the photodegradation of methylene blue (MB). According to the data, after irradiation for 100 min, the remaining MB in solution is about 26% for MoS2 nanoflowers and 9.5% for MoS2@SnO2 hetero-nanoflowers. Moreover, an excellent field-emission performance was obtained from MoS2@SnO2 hetero-nanoflower relative to the pure MoS2 with the turn-on field decreasing from 4.2 V μm−1 to 3.4 V μm−1 and the threshold field decreasing from 6.2 V μm−1 to 5.2 V μm−1, which is mainly attributed to the increased field-emission points and MoS2–SnO2 heterojunction.

Graphical abstract: Facile synthesis of novel MoS2@SnO2 hetero-nanoflowers and enhanced photocatalysis and field-emission properties

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Publication details

The article was received on 15 May 2014, accepted on 04 Jul 2014 and first published on 04 Jul 2014


Article type: Paper
DOI: 10.1039/C4DT01436G
Citation: Dalton Trans., 2014,43, 13136-13144
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    Facile synthesis of novel MoS2@SnO2 hetero-nanoflowers and enhanced photocatalysis and field-emission properties

    J. Li, K. Yu, Y. Tan, H. Fu, Q. Zhang, W. Cong, C. Song, H. Yin and Z. Zhu, Dalton Trans., 2014, 43, 13136
    DOI: 10.1039/C4DT01436G

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