Phase and morphology controllable synthesis of superhydrophobic Sb₂O₃ via a solvothermal method
Zhu, Shiwen; Yang, Xiaojuan; Li, Taohai; Li, Feng; Cao, Wei (2017-10-15)
Shiwen Zhu, Xiaojuan Yang, Taohai Li, Feng Li, Wei Cao, Phase and morphology controllable synthesis of superhydrophobic Sb2O3 via a solvothermal method, Journal of Alloys and Compounds, Volume 721, 15 October 2017, Pages 149-156, ISSN 0925-8388, https://doi.org/10.1016/j.jallcom.2017.05.327. (http://www.sciencedirect.com/science/article/pii/S0925838817319539)
© 2017 Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http:/creativecommons.org/licenses/by-nc-nd/4.0/
https://creativecommons.org/licenses/by-nc-nd/4.0/
https://urn.fi/URN:NBN:fi-fe201706287531
Tiivistelmä
Abstract
In this article, we report on a controllable synthesis of superhydrophobic Sb₂O₃ microcrystals via a solvothermal method assisted with the soluble inorganic Na₂WO₄ salt. Morphologies of the final products depend on the amount of the OH⁻ ions adsorbed on Sb₂O₃ nanoplates. By varying the amount of NaOH, the octahedral Sb₂O₃ can be switched to microcrystals or microspindles. Reaction and formation mechanisms of Sb₂O₃ were also proposed, which may also benefit synthesis of other metal oxides with controllable morphology. Additionally, after modified by (Heptadecafluoro-1,1,2,2-tetradecyl) trimethoxysilane, the as-synthesized octahedral Sb₂O₃ microcrystals and Sb₂O₃ microspindles show superhydrophobic and excellent anticorrosion properties in acidic and basic circumstances.
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