吉林大学学报（理学版）2017，Vol.55Issue(4)：990-993,4.DOI:10.13413/j.cnki.jdxblxb.2017.04.37
高温高压对Bi0.45Sb1.55Te3热电性能的调控
Regulation of High Temperature and High Pressure on Thermoelectric Performances of Bi0.45Sb1.55Te3
摘要
Abstract
High temperature and high pressure method was utilized to synthesize pure-phase bulk Bi0.45Sb1.55Te3 thermoelectric samples directly from elemental powders (Bi,Sb,Te) in 30 min.The phase composition and microstructures of the samples were characterized by X-ray diffraction,field emission scanning electron microscopy (FESEM),and high-resolution transmission electron microscopy (HRTEM).Besides,the electrical transport properties were measured at room temperature.The results show that high temperature and high pressure method is a simple and rapid route to synthesize bulk thermoelectric materials.The samples are composed of typical layered crystals with good crystallinity.The resistivity increases with the increase of synthetic pressure.A maximum power factor of 10.85 μW/(cm·K2) is obtained for the sample at 2 GPa.关键词
高温高压/热电材料/功率因子/合成压力Key words
high temperatureand high pressure/thermoelectric material/power factor/composite pressure分类
数理科学引用本文复制引用
车立新,于卓,刘宝民,陈立学..高温高压对Bi0.45Sb1.55Te3热电性能的调控[J].吉林大学学报（理学版）,2017,55(4):990-993,4.基金项目
吉林省自然科学基金(批准号:20130101030jc). （批准号:20130101030jc）
