Thermoelectric properties of (PbSnGe)M (M=Te, Te0.8Se0.2 and Te0.8S0.2) solid solutions
The (PbSnGe)M (M =Te, Te0.8Se0.2 and Te0.sS0.2) solid solutions were prepared by high temperature melting or high frequency induction melting, followed by the spark plasma sintering (SPS).Their thermoelectric properties were investigated.All solid solutions show p-type conduction.The electrical resistivities, absolute Seebeck coefficients and thermal conductivities for these solutions are the values between those of PbTe and GeTe.As a results, figure of merit ZT for the solution are the value between those of PbTe and GeTe in lower temperature but higher that those of PbTe and GeTe in higher temperature.The maximum figure of merit ZT of 1.33 was found in (PbSnGe)(Te0.sS0.2) at 823 K.
Pb-Sn-Ge-Te-Se-S system Thermoelectric property
李均钦 陈荣 刘福生 敖伟琴 李煜
深圳大学材料学院,深圳市特种功能材料重点实验室,深圳,518060
国内会议
桂林
英文
22-25
2015-11-03（万方平台首次上网日期，不代表论文的发表时间）