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Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx
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| Zeitschriftentitel: | Journal of Applied Physics |
|---|---|
| Personen und Körperschaften: | , |
| In: | Journal of Applied Physics, 110, 2011, 8 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Rhyee, Jong-Soo Choi, Dukhyun Rhyee, Jong-Soo Choi, Dukhyun |
|---|---|
| author |
Rhyee, Jong-Soo Choi, Dukhyun |
| spellingShingle |
Rhyee, Jong-Soo Choi, Dukhyun Journal of Applied Physics Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx General Physics and Astronomy |
| author_sort |
rhyee, jong-soo |
| spelling |
Rhyee, Jong-Soo Choi, Dukhyun 0021-8979 1089-7550 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.3652889 <jats:p>Thermoelectric properties were investigated on the chlorine doped In4Se2.7Clx (0.0 ≤ x ≤ 0.05) polycrystalline materials. The chlorine doping has an effect of increasing chemical potential by electron doping, resulting in the increase of electrical conductivity. While the thermal conductivity κ(T) of chlorine doped compounds are increased at mid-temperature range, the κ(T)s of Cl-doped compounds are comparably small or decreased at high temperature range (T ≥ 275 °C). By virtue of decrease of the electrical resistivity and high Seebeck coefficient, power factors S2σ of chlorine doped compounds are increased at high temperature range (T ≥ 275 °C). The maximum ZT of In4Se2.7Cl0.03 reaches about 0.67 at 400 °C, which is 59% improved result comparing with the undoped compound. The control of the Se-deficiency and chlorine doping concentration with optimized materials process routes can increase the ZT on the order of unity or more on those compounds.</jats:p> Thermoelectric properties of chlorine doped compounds of In4Se2.7Cl<i>x</i> Journal of Applied Physics |
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| title |
Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_unstemmed |
Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_full |
Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_fullStr |
Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_full_unstemmed |
Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_short |
Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_sort |
thermoelectric properties of chlorine doped compounds of in4se2.7cl<i>x</i> |
| topic |
General Physics and Astronomy |
| url |
http://dx.doi.org/10.1063/1.3652889 |
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2011 |
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<jats:p>Thermoelectric properties were investigated on the chlorine doped In4Se2.7Clx (0.0 ≤ x ≤ 0.05) polycrystalline materials. The chlorine doping has an effect of increasing chemical potential by electron doping, resulting in the increase of electrical conductivity. While the thermal conductivity κ(T) of chlorine doped compounds are increased at mid-temperature range, the κ(T)s of Cl-doped compounds are comparably small or decreased at high temperature range (T ≥ 275 °C). By virtue of decrease of the electrical resistivity and high Seebeck coefficient, power factors S2σ of chlorine doped compounds are increased at high temperature range (T ≥ 275 °C). The maximum ZT of In4Se2.7Cl0.03 reaches about 0.67 at 400 °C, which is 59% improved result comparing with the undoped compound. The control of the Se-deficiency and chlorine doping concentration with optimized materials process routes can increase the ZT on the order of unity or more on those compounds.</jats:p> |
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| author | Rhyee, Jong-Soo, Choi, Dukhyun |
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| description | <jats:p>Thermoelectric properties were investigated on the chlorine doped In4Se2.7Clx (0.0 ≤ x ≤ 0.05) polycrystalline materials. The chlorine doping has an effect of increasing chemical potential by electron doping, resulting in the increase of electrical conductivity. While the thermal conductivity κ(T) of chlorine doped compounds are increased at mid-temperature range, the κ(T)s of Cl-doped compounds are comparably small or decreased at high temperature range (T ≥ 275 °C). By virtue of decrease of the electrical resistivity and high Seebeck coefficient, power factors S2σ of chlorine doped compounds are increased at high temperature range (T ≥ 275 °C). The maximum ZT of In4Se2.7Cl0.03 reaches about 0.67 at 400 °C, which is 59% improved result comparing with the undoped compound. The control of the Se-deficiency and chlorine doping concentration with optimized materials process routes can increase the ZT on the order of unity or more on those compounds.</jats:p> |
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| spelling | Rhyee, Jong-Soo Choi, Dukhyun 0021-8979 1089-7550 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.3652889 <jats:p>Thermoelectric properties were investigated on the chlorine doped In4Se2.7Clx (0.0 ≤ x ≤ 0.05) polycrystalline materials. The chlorine doping has an effect of increasing chemical potential by electron doping, resulting in the increase of electrical conductivity. While the thermal conductivity κ(T) of chlorine doped compounds are increased at mid-temperature range, the κ(T)s of Cl-doped compounds are comparably small or decreased at high temperature range (T ≥ 275 °C). By virtue of decrease of the electrical resistivity and high Seebeck coefficient, power factors S2σ of chlorine doped compounds are increased at high temperature range (T ≥ 275 °C). The maximum ZT of In4Se2.7Cl0.03 reaches about 0.67 at 400 °C, which is 59% improved result comparing with the undoped compound. The control of the Se-deficiency and chlorine doping concentration with optimized materials process routes can increase the ZT on the order of unity or more on those compounds.</jats:p> Thermoelectric properties of chlorine doped compounds of In4Se2.7Cl<i>x</i> Journal of Applied Physics |
| spellingShingle | Rhyee, Jong-Soo, Choi, Dukhyun, Journal of Applied Physics, Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx, General Physics and Astronomy |
| title | Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_full | Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_fullStr | Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_full_unstemmed | Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_short | Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| title_sort | thermoelectric properties of chlorine doped compounds of in4se2.7cl<i>x</i> |
| title_unstemmed | Thermoelectric properties of chlorine doped compounds of In4Se2.7Clx |
| topic | General Physics and Astronomy |
| url | http://dx.doi.org/10.1063/1.3652889 |