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Growth Mechanism of Seed-Layer Free ZnSnO3 Nanowires: Effect of Physical Parameters

i3N/CENIMAT, Department of Materials Science, Faculty of Science and Technology, Universidade NOVA de Lisboa and CEMOP/UNINOVA, Campus de Caparica, 2829-516 Caparica, Portugal
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Nanomaterials 2019, 9(7), 1002; https://doi.org/10.3390/nano9071002
Received: 12 June 2019 / Revised: 2 July 2019 / Accepted: 9 July 2019 / Published: 11 July 2019
(This article belongs to the Special Issue The Synthesis, Assembly, Property and Application of Nanocrystals)
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Abstract

ZnSnO3 semiconductor nanostructures have several applications as photocatalysis, gas sensors, and energy harvesting. However, due to its multicomponent nature, the synthesis is far more complex than its binary counter parts. The complexity increases even more when aiming for low-cost and low-temperature processes as in hydrothermal methods. Knowing in detail the influence of all the parameters involved in these processes is imperative, in order to properly control the synthesis to achieve the desired final product. Thus, this paper presents a study of the influence of the physical parameters involved in the hydrothermal synthesis of ZnSnO3 nanowires, namely volume, reaction time, and process temperature. Based on this study a growth mechanism for the complex Zn:Sn:O system is proposed. Two zinc precursors, zinc chloride and zinc acetate, were studied, showing that although the growth mechanism is inherent to the material itself, the chemical reactions for different conditions need to be considered. View Full-Text
Keywords: nanowires; ZnSnO3; ZTO; hydrothermal synthesis; growth mechanism nanowires; ZnSnO3; ZTO; hydrothermal synthesis; growth mechanism
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Rovisco, A.; Branquinho, R.; Martins, J.; Fortunato, E.; Martins, R.; Barquinha, P. Growth Mechanism of Seed-Layer Free ZnSnO3 Nanowires: Effect of Physical Parameters. Nanomaterials 2019, 9, 1002.

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