Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3264087
Title: Disorder enhances thermoelectric figure of merit in armchair graphane nanoribbons
Authors: Ni, X.
Liang, G. 
Wang, J.-S. 
Li, B. 
Issue Date: 2009
Source: Ni, X., Liang, G., Wang, J.-S., Li, B. (2009). Disorder enhances thermoelectric figure of merit in armchair graphane nanoribbons. Applied Physics Letters 95 (19) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3264087
Abstract: We study the thermoelectric property of graphane strips by using density functional theory calculations combined with the nonequilibrium Green's function method. It is found that figure of merit (ZT) can be remarkably enhanced five times by randomly introducing hydrogen vacancies to the graphene nanoribon derivatives-armchair graphane nanoribbons. For 5 nm wide ribbons under certain conditions, ZT can be as high as 5.8 and depends on temperature linearly. The high ZT, low cost, and rapid advances in the synthesis of nanoscale graphene derivatives make carbon-based materials a viable choice for thermoelectric applications. © 2009 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/50897
ISSN: 00036951
DOI: 10.1063/1.3264087
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