Effect of Na and Ba co-doping on the structure and thermoelectric performance of PbTe0.5Se0.5
Effect of Na and Ba co-doping on the structure and thermoelectric performance of PbTe0.5Se0.5
复制标题
Na、Ba共掺杂对PbTe0.5Se0.5结构和热电性能的影响
DOI:
10.1016/j.scriptamat.2016.04.009
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发表时间:
2016-07
影响因子:
6
通讯作者:
Li J. Q.
中科院分区:
文献类型:
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作者:
Gui Y. Q.;Zheng Y. S.;Liu F. S.;Zhang S. L.;Ao W. Q.;Li Y.;Li J. Q.
PbTe-based semiconductor thermoelectric materials are currently active areas of research. In this work, Na- and Ba-doped PbTe0.5Se0.5alloys were prepared by vacuum melting and spark plasma sintering techniques. Na doping suppressed the transition of PbTe0.5Se0.5from p-type to n-type conductivity and adjusted the carrier concentration. In the case of Na0.02(BaxPb1 −x)0.98Te0.5Se0.5, doping with Ba increased the Seebeck coefficient, decreased the thermal conductivity, and improved the thermoelectric performance compared to those of the undoped material. A high figure of merit (ZT) value of 1.17 at 723 K was obtained for Na0.02(Ba0.06Pb0.94)0.98Te0.5Se0.5, which is approximately 22% greater than that of the undoped sample.
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影响因子:
3
作者:
Wang H.;Yao Z.;Zhu T.;Chen S.
通讯作者:
Chen S.
DOI:
10.1016/0956-716x(95)90843-9
发表时间:
1995-02
期刊:
Scripta Metallurgica Et Materialia
影响因子:
--
作者:
T. Oh;Jae-Shik Choi;D. Hyun
通讯作者:
T. Oh;Jae-Shik Choi;D. Hyun
影响因子:
56.9
作者:
Harman, TC;Taylor, PJ;LaForge, BE
通讯作者:
LaForge, BE
影响因子:
4.4
作者:
Kim, Sung-Wng;Kimura, Yoshisato;Mishima, Yoshinao
通讯作者:
Mishima, Yoshinao
影响因子:
4
作者:
通讯作者:
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