采用真空封管熔炼法成功制备N型Ag0.8PbmSbTem+2(m=12,14,16,18)合金粉体材料,经过高能球磨使合金粉末粒度达到微米量级.利用快速热压烧结工艺,在673K,压力为20MPa下,烧结30min,制备块体热电材料.研究快速热压和m值的变化对材料的结构和热电性能的影响.当m=16时,在348K材料Seebeck系数达到最大值-634μV/K.当m=18时,在548K功率因子达到最大值7.5×10-4W/(m·K2).
参考文献
[1] | 刘静;李敬锋 .[J].产业透视,2004,129(08):49-53. |
[2] | Rowe D M.CRC Handbook of Thermoelectric[M].London:CRC Press,1995:14-18. |
[3] | Goldsmid H J.Thermoelectric Refrigeration[M].New York:Plenum,1964:113-116. |
[4] | Majumdar A .[J].Science,2004,303(5659):777-778. |
[5] | Benneu G L.CRC Handbook of Thermoelectric[M].New York:crc Press,1995:515. |
[6] | Hsu K F;Kanatzidis M G .[J].Science,2004,303:818-821. |
[7] | Poudel B;Ren Z .[J].Science,2008,320:634-638. |
[8] | Kosuga A;Kurosaki K;Yamanaka S .[J].Journal of Alloys and Compounds,2005,391:288-291. |
[9] | Goltsman B M;Kudinov V A;Smimov I A .[J].Nauka Moscow,1972,14(235):320-322. |
[10] | A. Kosuga;M. Uno;K. Kurosaki .Thermoelectric properties of stoichiometric Ag_(1-x)Pb_(18)SbTe_(20)(x = 0, 0.1, 0.2)[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2005(1/2):288-291. |
[11] | A. Kosuga;K. Kurosaki;H. Muta .Thermoelectric properties of p-type (AgSbTe_2)_x(Pb_(0.5)Sn_(0.5)Te)_(1-x) (x = 0.05, 0.09, 0.2)[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2006(1/2):218-221. |
[12] | WANG Heng;LI Jingfeng;NAN Cewen et al.[J].Applied Physics Letters,2006,88(03):092104. |
[13] | Rogacheva E I;Tavrinaa T V;Nashchekinaa O N et al.[J].Thin Solid Films,2003,423:257-261. |
[14] | Heremans J P;Thrush C M;Morelli D T .[J].Journal of Applied Physics,2005,98:063703. |
[15] | 刘艳春,曾令可,任雪潭,税安泽,王慧.热电材料的研究现状及展望[J].陶瓷学报,2006(01):116-119. |
[16] | 果世驹.粉末烧结理论[M].北京:冶金工业出版社,1998:14-15. |
[17] | Navratil J.;Horak J.;Karamazov S.;Lost'ak P.;Dyck JS. Chen W.;Uher C.;Plechacek T. .Transport properties of Bi2-xInxSe3 single crystals[J].International Journal of Quantum Chemistry,2001(2):474-481. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%