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Issue 44, 2018
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Controllable synthesis of single-crystal SnO2 nanowires and tri-crystal SnO2 nanobelts

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Abstract

Depending on the nucleation sites, two types of tin dioxide (SnO2) nanostructures were synthesized: (1) single-crystal SnO2 nanowires and (2) novel tri-crystal SnO2 nanobelts with the coexistence of (301) and ([1 with combining macron]01) twins. It is speculated that the different vapor concentrations of Sn/O may lead to the nucleation of distinct structures and morphologies in low-dimensional SnO2. Meanwhile, the growth direction changes in both nanowires (from [[1 with combining macron]01] to [001]) and nanobelts (from [[1 with combining macron]03] to [001]), which could be related to the relatively lower Sn/O ratio during the later growth stages. The thermodynamic growth processes are also discussed in terms of surface energy. These findings contribute to the intuitive understanding of the growth mechanisms in SnO2 which may lead to the property-controlled design of next generation optical and electrical nanodevices.

Graphical abstract: Controllable synthesis of single-crystal SnO2 nanowires and tri-crystal SnO2 nanobelts

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Publication details

The article was received on 05 Sep 2018, accepted on 25 Sep 2018 and first published on 26 Sep 2018


Article type: Paper
DOI: 10.1039/C8CE01507D
Citation: CrystEngComm, 2018,20, 7114-7119
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    Controllable synthesis of single-crystal SnO2 nanowires and tri-crystal SnO2 nanobelts

    Y. Wei, H. Zheng, S. Hu, S. Pu, H. Peng, L. Li, H. Sheng, S. Zhou, J. Wang and S. Jia, CrystEngComm, 2018, 20, 7114
    DOI: 10.1039/C8CE01507D

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