Nano Archive

Thermoelectric properties of p-type PbSe nanowires

Liang, Wenjie and Rabin, Oded and Hochbaum, Allon I. and Fardy, Melissa and Zhang, Minjuan and Yang, Peidong (2009) Thermoelectric properties of p-type PbSe nanowires. Nano Research, 2 (5). pp. 394-399. ISSN 1998-0124 (Print) 1998-0000 (Online)


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The thermoelectric properties of individual solution-phase synthesized p-type PbSe nanowires have been examined. The nanowires showed near degenerately doped charge carrier concentrations. Compared to the bulk, the PbSe nanowires exhibited a similar Seebeck coefficient and a significant reduction in thermal conductivity in the temperature range 20 K to 300 K. Thermal annealing of the PbSe nanowires allowed their thermoelectric properties to be controllably tuned by increasing their carrier concentration or hole mobility. After optimal annealing, single PbSe nanowires exhibited a thermoelectric figure of merit (ZT) of 0.12 at room temperature.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:8378
Deposited By:JNCASR
Deposited On:23 Apr 2010 06:34
Last Modified:23 Apr 2010 06:34

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