The preparation of tridymite crystal by chemical processing

被引：6

作者：

Ren, Suxia ^{[1
]}

Guo, Yupeng ^{[1
]}

Zhao, Lina ^{[1
]}

Ma, Xiaokun ^{[1
]}

Xiao, Yupeng ^{[1
]}

Yu, Yang ^{[1
]}

Liu, Ying ^{[1
]}

Zhao, Xu ^{[1
]}

Wang, Zichen ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130023, Jilin, Peoples R China

来源：

PHASE TRANSITIONS | 2008年 / 81卷 / 05期

关键词：

chemical synthesis; tridymite; crystal growth; X-ray diffraction;

D O I：

10.1080/01411590701684723

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A new method for the synthesis of tridymite is reported in this article. When amorphous SiO(2) is treated with ethylene glycol for 3 h at 196 degrees C and then filtered and washed with distilled water, tridymite is obtained. The transmission electron microscopy equipped with energy-dispersive X-ray spectroscopy (EDX), powder X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FT-IR) are used to characterize the crystal materials. The EDX shows the material is pure silica and The XRD pattern shows this silica is tridymite phase. In order to study the formation process of tridymite, all sorts of reaction conditions are discussed in detail. The products obtained at different conditions are characterized by XRD techniques. Finally, a reasonable mechanism is proposed.

引用

页码：395 / 402

页数：8

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