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Nanostructures for Thermoelectric Applications: Synthesis, Growth Mechanism, and Property Studies

Both heterostructures and hollow nanostructures have been predicted as candidates with excellent thermoelectric performance. In this Research News areticle, recent advances with regard to synthetic strategies, growth mechanisms, and thermoelectric properties of one‐dimensional heterostructures (segm...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2010-05, Vol.22 (17), p.1959-1962
Main Authors: Zhang, Genqiang, Yu, Qingxuan, Wang, Wei, Li, Xiaoguang
Format: Article
Language:English
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Summary:Both heterostructures and hollow nanostructures have been predicted as candidates with excellent thermoelectric performance. In this Research News areticle, recent advances with regard to synthetic strategies, growth mechanisms, and thermoelectric properties of one‐dimensional heterostructures (segmented and core/shell) and tubular nanostructures are reported. The thermoelectric property studies of Te/Bi core/shell heterostructured nanowires and Bi2Te3 nanotubes indicate that the Seebeck coefficient and thermal conductivity of these materials can be optimized to improve their thermoelectric performance. In addition, the current issues and future research directions for promising thermoelectric nanostructures will be discussed on the basis of these experimental results. V–VI‐based heterostructures and hollow nanostructures can be synthesized using chemical methods, which may offer great opportunities for the enhancement of thermoelectric performance and thus contribute to the applications of thermoelectric devices. The figure shows a schematic image of high‐quality nanostructures for potential applications in high‐performance devices with a high thermoelectric figure of merit.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200903812