Title: Phase transformation and thermoelectric properties of bismuth-telluride nanowires
Authors: Hsin, Cheng-Lun
Wingert, Matthew
Huang, Chun-Wei
Guo, Hua
Shih, Ten-Jen
Suh, Joonki
Wang, Kevin
Wu, Junqiao
Wu, Wen-Wei
Chen, Renkun
Department of Materials Science and Engineering
Issue Date: 2013
Abstract: Thermoelectric materials have attracted much attention due to the current interest in energy conversion and recent advancements in nano-engineering. A simple approach to synthesize BiTe and Bi2Te3 micro/nanowires was developed by combining solution chemistry reactions and catalyst-free vapor-solid growth. A pathway to transform the as-grown BiTe nanostructures into Bi2Te3 can be identified through the Bi-Te phase diagram. Structural characterization of these products was identified using standard microscopy practices. Meanwhile, thermoelectric properties of individual Bi-Te compound micro/nanowires were determined by the suspended microdevice technique. This approach provides an applicable route to synthesize advanced high performance thermoelectric materials in quantities and can be used for a wide range of low-dimensional structures.
URI: http://hdl.handle.net/11536/21953
ISSN: 2040-3364
DOI: 10.1039/c3nr00876b
Volume: 5
Issue: 11
Begin Page: 4669
End Page: 4672
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