Cu-incorporation by melt-spinning in n-type Bi                         2                         Te                         2.7                         Se                         0.3                          alloys for low-temperature power generation

Minyoung Kim; Sang il Kim; Hyun joon Cho; Hyuna Mun; Hyun sik Kim; Jae Hong Lim; Sung Wng Kim; Kyu Hyoung Lee

doi:10.1016/j.scriptamat.2019.04.006

Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation

Minyoung Kim, Sang il Kim, Hyun joon Cho, Hyuna Mun, Hyun sik Kim, Jae Hong Lim, Sung Wng Kim, Kyu Hyoung Lee

Department of Materials Science and Engineering

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

10 Scopus citations

Abstract

Herein, we report the enhanced thermoelectric performance of Cu incorporated Bi ₂ Te _2.7 Se _0.3 prepared by melt spinning. The electronic transport properties were significantly improved by Cu incorporation due to the synergetic effect of carrier tuning, band modification, and electron-phonon transport control. The steady dimensionless thermoelectric figure of merit higher than 0.90 was achieved in the wide range of temperature range of 350–450 K for Cu _0.008 Bi ₂ Te _2.7 Se _0.3 , which is ~30% enhancement in comparison with pristine Bi ₂ Te _2.7 Se _0.3 . This result can lead to high thermoelectric power generation efficiency 4.2% at ΔT = 180 K.

Original language	English
Pages (from-to)	120-125
Number of pages	6
Journal	Scripta Materialia
Volume	167
DOIs	https://doi.org/10.1016/j.scriptamat.2019.04.006
State	Published - 1 Jul 2019

Keywords

Band modification
Bi Te Se
Carrier tuning
Cu incorporation
Thermoelectric

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10.1016/j.scriptamat.2019.04.006

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Kim, M., Kim, S. I., Cho, H. J., Mun, H., Kim, H. S., Lim, J. H., Kim, S. W., & Lee, K. H. (2019). Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation Scripta Materialia, 167, 120-125. https://doi.org/10.1016/j.scriptamat.2019.04.006

Kim, Minyoung ; Kim, Sang il ; Cho, Hyun joon et al. / Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation In: Scripta Materialia. 2019 ; Vol. 167. pp. 120-125.

@article{08ce1369fbec437bb73840eb3751dcbb,

title = " Cu-incorporation by melt-spinning in n-type Bi 2 Te 2.7 Se 0.3 alloys for low-temperature power generation ",

abstract = " Herein, we report the enhanced thermoelectric performance of Cu incorporated Bi 2 Te 2.7 Se 0.3 prepared by melt spinning. The electronic transport properties were significantly improved by Cu incorporation due to the synergetic effect of carrier tuning, band modification, and electron-phonon transport control. The steady dimensionless thermoelectric figure of merit higher than 0.90 was achieved in the wide range of temperature range of 350–450 K for Cu 0.008 Bi 2 Te 2.7 Se 0.3 , which is \textasciitilde{}30\% enhancement in comparison with pristine Bi 2 Te 2.7 Se 0.3 . This result can lead to high thermoelectric power generation efficiency 4.2\% at ΔT = 180 K.",

keywords = "Band modification, Bi Te Se, Carrier tuning, Cu incorporation, Thermoelectric",

author = "Minyoung Kim and Kim, \{Sang il\} and Cho, \{Hyun joon\} and Hyuna Mun and Kim, \{Hyun sik\} and Lim, \{Jae Hong\} and Kim, \{Sung Wng\} and Lee, \{Kyu Hyoung\}",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2019",

month = jul,

day = "1",

doi = "10.1016/j.scriptamat.2019.04.006",

language = "English",

volume = "167",

pages = "120--125",

journal = "Scripta Materialia",

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}

Kim, M, Kim, SI, Cho, HJ, Mun, H, Kim, HS, Lim, JH, Kim, SW & Lee, KH 2019, ' Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation ', Scripta Materialia, vol. 167, pp. 120-125. https://doi.org/10.1016/j.scriptamat.2019.04.006

Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation . / Kim, Minyoung; Kim, Sang il; Cho, Hyun joon et al.
In: Scripta Materialia, Vol. 167, 01.07.2019, p. 120-125.

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

TY - JOUR

T1 - Cu-incorporation by melt-spinning in n-type Bi 2 Te 2.7 Se 0.3 alloys for low-temperature power generation

AU - Kim, Minyoung

AU - Kim, Sang il

AU - Cho, Hyun joon

AU - Mun, Hyuna

AU - Kim, Hyun sik

AU - Lim, Jae Hong

AU - Kim, Sung Wng

AU - Lee, Kyu Hyoung

PY - 2019/7/1

Y1 - 2019/7/1

N2 - Herein, we report the enhanced thermoelectric performance of Cu incorporated Bi 2 Te 2.7 Se 0.3 prepared by melt spinning. The electronic transport properties were significantly improved by Cu incorporation due to the synergetic effect of carrier tuning, band modification, and electron-phonon transport control. The steady dimensionless thermoelectric figure of merit higher than 0.90 was achieved in the wide range of temperature range of 350–450 K for Cu 0.008 Bi 2 Te 2.7 Se 0.3 , which is ~30% enhancement in comparison with pristine Bi 2 Te 2.7 Se 0.3 . This result can lead to high thermoelectric power generation efficiency 4.2% at ΔT = 180 K.

AB - Herein, we report the enhanced thermoelectric performance of Cu incorporated Bi 2 Te 2.7 Se 0.3 prepared by melt spinning. The electronic transport properties were significantly improved by Cu incorporation due to the synergetic effect of carrier tuning, band modification, and electron-phonon transport control. The steady dimensionless thermoelectric figure of merit higher than 0.90 was achieved in the wide range of temperature range of 350–450 K for Cu 0.008 Bi 2 Te 2.7 Se 0.3 , which is ~30% enhancement in comparison with pristine Bi 2 Te 2.7 Se 0.3 . This result can lead to high thermoelectric power generation efficiency 4.2% at ΔT = 180 K.

KW - Band modification

KW - Bi Te Se

KW - Carrier tuning

KW - Cu incorporation

KW - Thermoelectric

UR - https://www.scopus.com/pages/publications/85064112983

U2 - 10.1016/j.scriptamat.2019.04.006

DO - 10.1016/j.scriptamat.2019.04.006

M3 - Article

AN - SCOPUS:85064112983

SN - 1359-6462

VL - 167

SP - 120

EP - 125

JO - Scripta Materialia

JF - Scripta Materialia

ER -

Kim M, Kim SI, Cho HJ, Mun H, Kim HS, Lim JH et al. Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation Scripta Materialia. 2019 Jul 1;167:120-125. doi: 10.1016/j.scriptamat.2019.04.006

Cu-incorporation by melt-spinning in n-type Bi ₂ Te _2.7 Se _0.3 alloys for low-temperature power generation

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