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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 (2010) Thermoelectric properties of p-type PbSe nanowires. Nano Research, 2 (5). pp. 394-399.


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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
Uncontrolled Keywords:Nanowire - thermoelectrics - thermopower - thermal conductivity - lead chalcogenide
Subjects:Physical Science > Nanophysics
Physical Science > Nanoelectronics
Technology > Nanotechnology and energy applications
ID Code:8718
Deposited By:Lesley Tobin
Deposited On:31 Mar 2010 15:48
Last Modified:31 Mar 2010 15:48

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