Journal
CHEMISTRY OF MATERIALS
Volume 24, Issue 11, Pages 2228-2234Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm301259u
Keywords
nanostructures; thermal decomposition; antimony telluride; nanoplates; thermoelectric materials
Funding
- University of Duisburg-Essen
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The size-selective synthesis of hexagonal Sb2Te3 nanoplates by thermal decomposition of the single-source precursor bis(diethylstibino)telluride (Et2Sb)(2)Te is described for the first time. The role of the thermolysis temperature and the concentration of the capping agent (PVP*) on the growth of the nanoplates was investigated. The thermal properties of (Et2Sb)(2)Te were investigated by differential scanning calorimetry (DSC), and the resulting Sb2Te3 nanoplates were characterized by XRD, SEM, TEM, EDX, and SAED. Moreover, electrical conductivity, Seebeck coefficient and thermal conductivity of the nanoplates were determined, clearly proving the enhanced thermoelectric properties of nanosized antimony telluride.
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