Thermoelectric properties of indium-selenium nanocomposites prepared by mechanical alloying and spark plasma sintering

Ju Hyuk Yim; Hyung Ho Park; Ho Won Jang; Myong Jae Yoo; Dong Su Paik; Seunghyub Baek; Jin Sang Kim

doi:10.1007/s11664-012-1940-x

Thermoelectric properties of indium-selenium nanocomposites prepared by mechanical alloying and spark plasma sintering

Ju Hyuk Yim, Hyung Ho Park, Ho Won Jang, Myong Jae Yoo, Dong Su Paik, Seunghyub Baek, Jin Sang Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Indium-selenium-based compounds have received much attention as thermoelectric materials since a high thermoelectric figure of merit of 1.48 at 705 K was observed in In ₄Se _2.35. In this study, four different compositions of indium-selenium compounds, In ₂Se ₃, InSe, In ₄Se ₃, and In ₄Se _2.35, were prepared by mechanical alloying followed by spark plasma sintering. Their thermoelectric properties such as electrical resistivity, Seebeck coefficient, and thermal conductivity were measured in the temperature range of 300 K to 673 K. All the In-Se compounds comprised nanoscaled structures and exhibited n-type conductivity with Seebeck coefficients ranging from -159 μV K ^-1 to -568 μV K ^-1 at room temperature.

Original language	English
Pages (from-to)	1354-1359
Number of pages	6
Journal	Journal of Electronic Materials
Volume	41
Issue number	6
DOIs	https://doi.org/10.1007/s11664-012-1940-x
Publication status	Published - 2012 Jun

Bibliographical note

Funding Information:
This research was supported by the Converging Research Center Program through the Ministry of

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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10.1007/s11664-012-1940-x

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title = "Thermoelectric properties of indium-selenium nanocomposites prepared by mechanical alloying and spark plasma sintering",

abstract = "Indium-selenium-based compounds have received much attention as thermoelectric materials since a high thermoelectric figure of merit of 1.48 at 705 K was observed in In 4Se 2.35. In this study, four different compositions of indium-selenium compounds, In 2Se 3, InSe, In 4Se 3, and In 4Se 2.35, were prepared by mechanical alloying followed by spark plasma sintering. Their thermoelectric properties such as electrical resistivity, Seebeck coefficient, and thermal conductivity were measured in the temperature range of 300 K to 673 K. All the In-Se compounds comprised nanoscaled structures and exhibited n-type conductivity with Seebeck coefficients ranging from -159 μV K -1 to -568 μV K -1 at room temperature.",

author = "Yim, {Ju Hyuk} and Park, {Hyung Ho} and Jang, {Ho Won} and Yoo, {Myong Jae} and Paik, {Dong Su} and Seunghyub Baek and Kim, {Jin Sang}",

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doi = "10.1007/s11664-012-1940-x",

language = "English",

volume = "41",

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AU - Yim, Ju Hyuk

AU - Park, Hyung Ho

AU - Jang, Ho Won

AU - Yoo, Myong Jae

AU - Paik, Dong Su

AU - Baek, Seunghyub

AU - Kim, Jin Sang

N1 - Funding Information: This research was supported by the Converging Research Center Program through the Ministry of

PY - 2012/6

Y1 - 2012/6

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AB - Indium-selenium-based compounds have received much attention as thermoelectric materials since a high thermoelectric figure of merit of 1.48 at 705 K was observed in In 4Se 2.35. In this study, four different compositions of indium-selenium compounds, In 2Se 3, InSe, In 4Se 3, and In 4Se 2.35, were prepared by mechanical alloying followed by spark plasma sintering. Their thermoelectric properties such as electrical resistivity, Seebeck coefficient, and thermal conductivity were measured in the temperature range of 300 K to 673 K. All the In-Se compounds comprised nanoscaled structures and exhibited n-type conductivity with Seebeck coefficients ranging from -159 μV K -1 to -568 μV K -1 at room temperature.

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Thermoelectric properties of indium-selenium nanocomposites prepared by mechanical alloying and spark plasma sintering

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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