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Enhancement of the Thermoelectric Figure‐of‐Merit in a Wide Temperature Range in In 4 Se 3– x Cl 0.03 Bulk Crystals
Author(s) -
Rhyee JongSoo,
Ahn Kyunghan,
Lee Kyu Hyoung,
Ji Hyo Seok,
Shim JiHoon
Publication year - 2011
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201004739
Subject(s) - materials science , figure of merit , thermoelectric effect , doping , thermoelectric materials , seebeck coefficient , atmospheric temperature range , thermal conductivity , electrical resistivity and conductivity , range (aeronautics) , condensed matter physics , optoelectronics , thermodynamics , composite material , electrical engineering , physics , engineering
The state‐of‐the‐art record of thermoelectric figure‐of‐merit ( ZT ) of 1.53 at 425 °C is achieved by chlorine doping in In 4 Se 3– x Cl 0.03 bulk crystalline materials as used for n‐type thermoelectric energy harvesting. The low‐dimensional property imparted by chlorine doping significantly increases the electrical conductivity and reduces the thermal conductivity resulting in a high power factor over a wide temperature range.
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