| 열분해와 Hot Injection법을 이용한 CoSb3 나노분말합성 |
| 김민숙, 안종필, 김경자, 박주석, 김경훈, 김형순1 |
한국세라믹기술원 기업협력센터
1인하대학교 신소재공학과 |
| Thermal Decomposition Synthesis of CoSb3 Nanoparticle by Hot Injection Method |
| Min-Suk Kim, Jong-Pil Ahn, Kyung-Ja Kim, Joo-Seok Park, Kyoung-Hun Kim, Hyung-Sun Kim1 |
Business Cooperation Center, Korea Institute of Ceramic Engineering and Technology
1School of Materials Engineering, Inha University |
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| ABSTRACT |
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$CoSb_3$ 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. |
| Key words:
Cobalt oleate, Antimony oleate, $CoSb_3$ nanoparticle, Thermolysis, Hot-injection, Thermoelectric |
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