Thermoelectric Characterization of Bismuth Telluride Nanowires, Synthesized Via Catalytic Growth and Post-Annealing

Thermoelectric Characterization of Bismuth Telluride Nanowires, Synthesized Via Catalytic Growth and Post-Annealing

Bi2Te3 nanowires are of significant interest for two fields: nanostructured thermoelectrics and topological insulators. The vapor‐liquid‐solid method is employed in combination with annealing in a Te atmosphere, to obtain single‐crystalline Bi2Te3 nanowires with reproducible electronic transport pro...

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Veröffentlicht in:Advanced materials (Weinheim) 2013-01, Vol.25 (2), p.239-244
Hauptverfasser: Hamdou, Bacel, Kimling, Johannes, Dorn, August, Pippel, Eckhard, Rostek, Raimar, Woias, Peter, Nielsch, Kornelius
Format: Artikel
Sprache:eng
Schlagworte:
Annealing
Bi2Te3 nanowires
Bismuth - chemistry
Bulk transporters
Catalysis
charge transport
composite materials
Electronics
Insulators
Nanostructure
Nanowires
Nanowires - chemistry
Particle Size
Resistivity
semiconductors
Surface Properties
Tellurium - chemistry
Temperature
Thermoelectricity
thermoelectrics
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Zusammenfassung:Bi2Te3 nanowires are of significant interest for two fields: nanostructured thermoelectrics and topological insulators. The vapor‐liquid‐solid method is employed in combination with annealing in a Te atmosphere, to obtain single‐crystalline Bi2Te3 nanowires with reproducible electronic transport properties (electrical conductivity and Seebeck coefficient) that are close to those of intrinsic bulk Bi2Te3.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201202474