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硫酸根阴离子对超细二氧化钛成核的影响。

The Effect of Sulphate Anions on the Ultrafine Titania Nucleation.

作者信息

Kotsyubynsky Volodymyr O, Myronyuk Ivan F, Chelyadyn Volodymyr L, Hrubiak Andriy B, Moklyak Volodymyr V, Fedorchenko Sofia V

机构信息

Vasyl Stefanyk Precarpathian National University, 57 Shevchenko str, Ivano-Frankivsk, 76018, Ukraine.

Institute of Materials Science I.M. Frantsevich, 3 Academic Krzhizhanovskii Str, Kyiv, 03680, Ukraine.

出版信息

Nanoscale Res Lett. 2017 Dec;12(1):369. doi: 10.1186/s11671-017-2144-3. Epub 2017 May 23.

DOI:10.1186/s11671-017-2144-3
PMID:28545263
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5442038/
Abstract

The phenomenological model of sulphate anions effect on the nanodispersed titania synthesis during hydrolysis of titanium tetrachloride was studied. It was proposed that both chelating and bridging bidentate complexes formation between sulphate anions and octahedrally coordinated [Ti(OH)(OH)] mononers is the determinative factor for anatase phase nucleation.

摘要

研究了在四氯化钛水解过程中硫酸根阴离子对纳米二氧化钛合成影响的现象学模型。提出硫酸根阴离子与八面体配位的[Ti(OH)(OH)]单体之间形成螯合和桥联双齿配合物是锐钛矿相成核的决定性因素。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/03ecf4042751/11671_2017_2144_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/e725efe18dea/11671_2017_2144_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/1b27397a8e59/11671_2017_2144_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/59f815cd7cbb/11671_2017_2144_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/2cae316e3e4d/11671_2017_2144_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/03ecf4042751/11671_2017_2144_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/e725efe18dea/11671_2017_2144_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/1b27397a8e59/11671_2017_2144_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/59f815cd7cbb/11671_2017_2144_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/2cae316e3e4d/11671_2017_2144_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1079/5442038/03ecf4042751/11671_2017_2144_Fig5_HTML.jpg

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本文引用的文献

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Nanoscale. 2014 Oct 21;6(20):11574-632. doi: 10.1039/c4nr01657b.
2
Single-step synthesis and structural study of mesoporous sulfated titania nanopowder by a controlled hydrolysis process.介孔硫酸化锐钛矿纳米粉体的一步合成及其结构研究。
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3
Optimizing the photocatalytic properties of hydrothermal TiO2 by the control of phase composition and particle morphology. a systematic approach.
通过控制相组成和颗粒形态优化水热法制备的TiO₂的光催化性能。一种系统方法。
J Am Chem Soc. 2007 Mar 28;129(12):3564-75. doi: 10.1021/ja067050+. Epub 2007 Mar 7.
4
Prediction of TiO2 nanoparticle phase and shape transitions controlled by surface chemistry.由表面化学控制的二氧化钛纳米颗粒相和形状转变的预测
Nano Lett. 2005 Jul;5(7):1261-6. doi: 10.1021/nl050355m.