政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/75689

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政大機構典藏 > 理學院 > 應用物理研究所 > 期刊論文 > Item 140.119/75689

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/75689

Title:	Influence of in doping on the thermoelectric properties of an AgSbTe 2 compound with enhanced figure of merit
Authors:	Mohanraman, R.;Sankar, R.;Boopathi, K.M.;Chou, F.-C.;Chu, C.-W.;Lee, C.-H.;Chen, Yang-Yuan 陳洋元
Contributors:	應物所
Keywords:	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
Date:	2014-02
Issue Date:	2015-06-11 13:40:50 (UTC+8)
Abstract:	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.
Relation:	Journal of Materials Chemistry A, 2(8), 2839-2844
Data Type:	article
DOI 連結:	http://dx.doi.org/10.1039/c3ta14547f
DOI:	10.1039/c3ta14547f
Appears in Collections:	[應用物理研究所 ] 期刊論文

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