Thermoelectric properties of Tl-doped SnSe - a hint of phononic structure

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F16%3A39901063" target="_blank" >RIV/00216275:25310/16:39901063 - isvavai.cz</a>

Result on the web

<a href="http://link.springer.com/article/10.1007%2Fs11664-016-4415-7" target="_blank" >http://link.springer.com/article/10.1007%2Fs11664-016-4415-7</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s11664-016-4415-7" target="_blank" >10.1007/s11664-016-4415-7</a>

Result language

angličtina

Original language name

Thermoelectric properties of Tl-doped SnSe - a hint of phononic structure

Original language description

Polycrystalline samples of composition Sn1-xTlxSe (for x = 0 - 0.04) were synthesized from elements of 5N purity at elevated temperatures. The phase purity of the products was verified by X-ray diffraction. The samples for measurement of the transport properties were prepared using hot pressing. The samples were then characterized by measurement of the electrical conductivity, the Hall coefficient, the Seebeck coefficient, and the thermal conductivity over a temperature range of 300 - 725 K. All of the samples demonstrate p-type conductivity. Tl markedly enhances the carrier concentration. We discuss the influence of Tl substitution on the free carrier concentration and the thermoelectric performance. The investigation of the thermoelectric properties shows an order of magnitude improvement, with ZT reaching 0.6 at 725 K. We discuss the distinctive nature of the thermal conductivity of SnSe.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CA - Inorganic chemistry

OECD FORD branch

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Project

<a href="/en/project/GA16-07711S" target="_blank" >GA16-07711S: A systematic study of Schottky barrier height effect on energy filtering of electrons in thermoelectric nanocomposites.</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Electronic Materials

ISSN

0361-5235

e-ISSN

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Volume of the periodical

45

Issue of the periodical within the volume

6

Country of publishing house

CH - SWITZERLAND

Number of pages

7

Pages from-to

2943-2949

UT code for WoS article

000375074700041

EID of the result in the Scopus database

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