Journal
APPLIED PHYSICS LETTERS
Volume 105, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4901342
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Funding
- Alabama EPSCoR Program under the Graduate Research Scholars Program [8]
- National Science Foundation [NSF-CBET-12-50192]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1250192] Funding Source: National Science Foundation
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We have calculated the semi-classical thermoelectric power factor of suspended single-layer (SL)-MoS2 utilizing electron relaxation times derived from ab initio calculations. Measurements of the thermoelectric power factor of SL-MoS2 on substrates reveal poor power factors. In contrast, we find the thermoelectric power factor of suspended SL-MoS2 to peak at similar to 2.8 x 10(4) mu W/m K-2 at 300K, at an electron concentration of 10(12) cm(-2). This figure is higher than that in bulk Bi2Te3, for example. Given its relatively high thermal conductivity, suspended SL-MoS2 may hold promise for in-plane thin-film Peltier coolers, provided reasonable mobilities can be realized. (C) 2014 AIP Publishing LLC.
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