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    题名: Influence of in doping on the thermoelectric properties of an AgSbTe 2 compound with enhanced figure of merit
    作者: Mohanraman, R.;Sankar, R.;Boopathi, K.M.;Chou, F.-C.;Chu, C.-W.;Lee, C.-H.;Chen, Yang-Yuan
    陳洋元
    贡献者: 應物所
    关键词: Atomic weights;Effective mass;Figure of merits;P-type;Phonon-scattering mechanisms;Power factors;Thermoelectric performance;Thermoelectric properties;Chemical elements;Electric power factor;Thermal conductivity;Thermoelectric equipment;Thermoelectricity;Antimony compounds
    日期: 2014-02
    上传时间: 2015-06-11 13:40:50 (UTC+8)
    摘要: A maximal thermoelectric figure-of-merit ZT for p-type Ag(Sb 1-xInx)Te2 samples with x = 0.07 is 1.35 at 650 K, yielding an enhancement of greater than 40% compared with that of an undoped AgSbTe2 compound at the same temperature. This ZT enhancement can be primarily attributed to both the greatly enhanced power factor resulting from an increase in Seebeck coefficient because of the increase in the effective mass and the substantial decrease in thermal conductivity which could be ascribed to the enhancement of the phonon scattering mechanism by dopants with different atomic weights. These results indicate that doping with In is effective for enhancing the thermoelectric performance of the p-type AgSbTe2 compound. © 2014 The Royal Society of Chemistry.
    關聯: Journal of Materials Chemistry A, 2(8), 2839-2844
    数据类型: article
    DOI 連結: http://dx.doi.org/10.1039/c3ta14547f
    DOI: 10.1039/c3ta14547f
    显示于类别:[應用物理研究所 ] 期刊論文

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