Nano Archive

Efficient thermoelectric energy conversion on quasi-localized electron states in diameter modulated nanowires

Zianni, Xanthippi (2011) Efficient thermoelectric energy conversion on quasi-localized electron states in diameter modulated nanowires. Nanoscale Research Letters, 6 (1). pp. 1-6.

[img]
Preview
PDF
451Kb

Official URL: http://www.nanoscalereslett.com/content/6/1/286

Abstract

It is known that the thermoelectric efficiency of nanowires increases when their diameter decreases. Recently, we proposed that increase of the thermoelectric efficiency could be achieved by modulating the diameter of the nanowires. We showed that the electron thermoelectric properties depend strongly on the geometry of the diameter modulation. Moreover, it has been shown by another group that the phonon conductivity decreases in nanowires when they are modulated by dots. Here, the thermoelectric efficiency of diameter modulated nanowires is estimated, in the ballistic regime, by taking into account the electron and phonon transmission properties. It is demonstrated that quasi-localized states can be formed that are prosperous for efficient thermoelectric energy conversion.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:10903
Deposited By:JNCASR
Deposited On:18 Oct 2011 08:20
Last Modified:18 Oct 2011 08:20

Repository Staff Only: item control page