Journal
NANOSCALE
Volume 5, Issue 11, Pages 4669-4672Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00876b
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Funding
- Taiwan National Science Council (NSC) [101-2218-E-008-014-MY2, 101-3113-P-008-008-, 100-2628-E-009-023-MY3]
- National Science Foundation (NSF) [CBET-0932905]
- Department of Energy BES-LBL thermoelectrics program [DE-AC02-05-CH11231]
- National Center for Electron Microscopy, Lawrence Berkeley Lab [DE-AC02-05CH11231]
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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.
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