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http://dx.doi.org/10.4191/kcers.2013.50.6.476

Thermal Decomposition Synthesis of CoSb3 Nanoparticle by Hot Injection Method  

Kim, Min-Suk (Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology)
Ahn, Jong-Pil (Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology)
Kim, Kyung-Ja (Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology)
Park, Joo-Seok (Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology)
Kim, Kyoung-Hun (Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology)
Kim, Hyung-Sun (School of Materials Engineering, Inha University)
Publication Information
Journal of the Korean Ceramic Society / v.50, no.6, 2013 , pp. 476-479 More about this Journal
Abstract
$CoSb_3$ with its high electrical conductivity, Seebeck coefficient and rather low thermal conductivity is quite a promising material for thermoelectric conversion applications. A potentially high figure of merit (ZT) can be achieved by a nanostructure evolution of thermoelectric materials. In this work, $CoSb_3$ nanoparticles were synthesized through a thermal decomposition method in cooperation with a hot injection technique. Nano-sized $CoSb_3$ particles were obtained through the thermal decomposition reaction between the pre-heated cobalt-oleate at $320^{\circ}C$ and the injected antimony oleate with room temperature. The results showed that the particle size was increased with increasing synthesis temperature and the crystallinity of particles was improved with temperature but the decomposition of $CoSb_3$ was observed at $320^{\circ}C$. The $CoSb_3$ particles synthesized at $300^{\circ}C$ showed a high purity and an homogeneous shape with average particle size of 26 nm.
Keywords
Cobalt oleate; Antimony oleate; $CoSb_3$ nanoparticle; Thermolysis; Hot-injection; Thermoelectric;
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Times Cited By KSCI : 2  (Citation Analysis)
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