Thermoelectric properties of SnSe nanoribbons: a theoretical aspect
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DOI: 10.1088/2053-1591/3/3/035013
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摘要: Bulk SnSe is reported to be an excellent thermoelectric material at high temperatures. We now present the results on properties of nanoribbons variable widths obtained using density functional theory coupled with semi-classical Boltzmann theory. The calculated find armchair width <= 47 angstrom semiconducting and zigzag 52 metallic. A relatively Seebeck coefficient (approximate 1720 mu V K-1) low thermal conductivity was for nanoribbon 6 width, while a large relaxation time small effective mass width. suggest that patterning into may provide performance similar monolayer low-temperature bulk phases SnSe.
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