Synthesis of La-Doped Bi2Te3 and Bi0.5Sb1.5Te3 via the Electromagnetic Induction Method and Their Thermoelectric Properties
Year: 2012
Type: article
Abstract: 摘要: 在N2气保护下,采用电磁感应法制备了添加La的Bi2Te3和Bi0.5Sb1.5Te3。 运用X射线粉末衍射、电感耦合等离子光谱和扫描电子显微镜对材料的物相成分和形貌进行了表征。 研究了La对Bi2Te3和Bi0.5Sb1.5Te3热电材料的电导率(σ)、Seebeck系数(S)和热导率(κ)的影响。 实验结果表明,添加La明显降低了2种材料的热导率,提高了热电优值(ZT),添加La的Bi0.5Sb1.5Te3的热电优值在室温超过了1。
Authors: Jipeng FU, Xiuyun YANG, Shanshan ZHANG, Ying GAO, Xiuxia GAO, Yunhui* LI
Institution: Changchun University of Science and Technology
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W2255726815
