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Enhanced thermoelectric performance of graphene nanoribbons
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10.1063/1.3689780
/content/aip/journal/apl/100/9/10.1063/1.3689780
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/9/10.1063/1.3689780

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Ball-and-stick model of (a) N-AGNRs and (b) N-ZGNRs, where the black ball stands for carbon atom and the green for hydrogen atom. The first-principles molecular dynamics results of the C−C and C−H distance at the edges are plotted in (c) and (d) for the 3-AGNR and 3-ZGNR, respectively.

Image of FIG. 2.
FIG. 2.

(Color online) Calculated transport coefficients for the AGNRs series as a function of chemical potential: (a) transmission function, (b) Seebeck coefficient, (c) electrical conductance, and (d) electronic thermal conductance.

Image of FIG. 3.
FIG. 3.

(Color online) Calculated transport coefficients for the ZGNRs series as a function of chemical potential: (a) transmission function, (b) Seebeck coefficients, (c) electrical conductance, and (d) electronic thermal conductance.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Calculated phonon derived thermal conductance at 300 K for the AGNRs and ZGNRs series. (b) and (c) are the calculated room temperature ZT value as a function of chemical potential for the AGNRs and ZGNRs series, respectively.

Tables

Generic image for table
Table I.

Calculated room temperature ZT values and corresponding transport coefficients at optimized chemical potential for a series of armchair and zigzag nanoribbons. The ribbon width and the band gap of each structure are also shown.

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/content/aip/journal/apl/100/9/10.1063/1.3689780
2012-02-28
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced thermoelectric performance of graphene nanoribbons
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/9/10.1063/1.3689780
10.1063/1.3689780
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