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Synthesis of Hollow Sphere and 1D Structural Materials by Sol-Gel Process

by Fa-Liang Li 1,2,* and Hai-Jun Zhang 1
1
The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
2
Jiangxi Engineering Research Center of Industrial Ceramics, Pingxiang 337022, China
*
Author to whom correspondence should be addressed.
Materials 2017, 10(9), 995; https://doi.org/10.3390/ma10090995
Received: 31 July 2017 / Revised: 17 August 2017 / Accepted: 21 August 2017 / Published: 25 August 2017
(This article belongs to the Special Issue Sol-Gel Chemistry Applied to Materials Science)
The sol-gel method is a simple and facile wet chemical process for fabricating advanced materials with high homogeneity, high purity, and excellent chemical reactivity at a relatively low temperature. By adjusting the processing parameters, the sol-gel technique can be used to prepare hollow sphere and 1D structural materials that exhibit a wide application in the fields of catalyst, drug or gene carriers, photoactive, sensors and Li-ion batteries. This feature article reviewed the development of the preparation of hollow sphere and 1D structural materials using the sol-gel method. The effects of calcination temperature, soaking time, pH value, surfactant, etc., on the preparation of hollow sphere and 1D structural materials were summarized, and their formation mechanisms were generalized. Finally, possible future research directions of the sol-gel technique were outlined. View Full-Text
Keywords: sol-gel; hollow sphere; 1D structure sol-gel; hollow sphere; 1D structure
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Li, F.-L.; Zhang, H.-J. Synthesis of Hollow Sphere and 1D Structural Materials by Sol-Gel Process. Materials 2017, 10, 995.

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