A Study on Crystallization Kinetics of Thermoelectric Bi2Se3 Crystals in Ge-Se-Bi Chalcogenide Glasses by Differential Scanning Calorimeter

被引：25

作者：

Liu, Yinyao ^{[1
]}

Yuan, Shuanglong ^{[1
]}

Xie, Jun ^{[1
]}

Shangguan, Futiao ^{[1
]}

Ren, Jing ^{[1
]}

Chen, Guorong ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2013年 / 96卷 / 07期

基金：

中国国家自然科学基金; 国家教育部博士点专项基金资助;

关键词：

D O I：

10.1111/jace.12421

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Novel glass-ceramics with embedded thermoelectric Bi2Se3 crystals were prepared from glass matrices in the Ge20Se100-xBix (x=5, 10, 12mol%) system. Based on DSC results performed at different heating rates, characteristic activation energies (E-c) and Avrami exponents (n) were obtained and analyzed by using Kissinger's relation, Ozawa's method, Augis-Bennett approximation and Matusita-Sakka theory. XRD results showed that pure Bi2Se3 crystalline phase precipitated upon annealing at different temperatures for various time. The crystal size and crystalline fraction in the samples could be tuned by controlling the annealing time.

引用

页码：2141 / 2146

页数：6

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