N型和P型Si80Ge20合金制备及热电性能Synthesis and properties of n-type and p-type Si80Ge20 based thermoelectric materials
毛斐,吴振兴,汤皎宁,王涵,刘正楷,龚晓钟
摘要(Abstract)：
对N型Si80Ge20(P4)x及P型Si80Ge20Bx固溶体合金的化学计量比进行了研究,采用已总结出的最佳工艺条件,制备了一系列N型、P型固溶体合金,并比较了各系列样品的热电性能。结果表明,x=1.5的N型Si80Ge20(P4)x固溶体合金具备良好的热电性能,与未掺杂Si80Ge20固溶体合金相比,最高热电优值ZT为0.651,提高了3.34倍。x=1.5的P型Si80Ge20Bx固溶体合金也具备较佳的热电性能,最高热电优值(ZT)值为0.538。
关键词(KeyWords)： 热电材料;Si80Ge20;粉末冶金;热电性能
基金项目(Foundation): 国家自然科学基金资助项目(51171117);; 广东省科技计划项目(2006B14001001);; 深圳市科技计划项目(CXB200903090012A)
作者(Author): 毛斐,吴振兴,汤皎宁,王涵,刘正楷,龚晓钟
DOI: 10.13289/j.issn.1009-6264.2013.07.005
参考文献(References)：
- [1]Jeonghoon Kim.New nano structure approaches for bulk thermoelectric materials[D].San Diego:University of California,2010:1-59.
- [2]刘宏,王继扬.半导体热电材料研究进展[J].功能材料,2000,31(2):116-118.LIU Hong,WANG Ji-yang.Progress of semiconductor thermoelectric materials[J].Journal of Functinal Materials,1998,31(2):116-118.
- [3]Venkatasubramanian R,Siivola E,Colpitts T,et al.Thin-film thermoelectric devices with high room-temperature figures of merit[J].Nature,2001,413(6865):597-599.
- [4]Harman T C,Taylor P J,Walsh M P,et al.Quantum dot supper lattice thermoelectric materials and devices[J].Science,2002,297(5590):2229-2232.
- [5]Ananth Slyengar.Synthesis and characterization of micro/nano material for thermoelectric applications[D].Ohio:Case Western Reserve University,2010:8-27.
- [6]高丽丽,刘力.机械合金化的发展[J].化工科技,2007,15(1):68-70,75.GAO Li-li,LIU Li.Development of mechanical alloying[J].Science&Technology in Chemical Industry,2007,15(1):68-70,75.
- [7]龚晓钟,彭雨辰,吴振兴,等.热电材料SiGe合金的制备[J].材料热处理学报,2012,33(11):1-5.GONG Xiao-zhong,PENG Yu-chen,WU Zhen-xing,et al.Preparation of Si-Ge thermoelectric material by mechanical alloying[J].Transactions ofMaterials and Heat Treatment,2012,33(11):1-5.
- [8]Noguchi T.Powder processing of thermoelectric materials-focusing on SiGe with new sintering technique[C]∥16th International Conference onThermoelectrics,1997:207-214.
- [9]田莳.材料物理性能[M].北京:北京航空航天大学出版社,2004:268-279.
- [10]王华文.Si80Ge20热电材料的制备与性能研究[D].武汉:武汉理工大学,2007:39-44.
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