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J. Korean Ceram. Soc. > Volume 51(6); 2014 > Article
Journal of the Korean Ceramic Society 2014;51(6): 544.
doi: https://doi.org/10.4191/kcers.2014.51.6.544
메조포러스 알루미나를 이용한 AlN 분말 제조 및 특성분석
김은비, 이윤주, 신동근, 권우택, 김수룡, 강미숙1, 김영희
한국세라믹기술원 에너지소재센터
1영남대학교 화학과
Preparation of AlN Powder Using Mesoporous Alumina and Its Characterization
Eun Bee Kim, Yoon Joo Lee, Dong Geun Shin, Woo Teck Kwon, Soo Ryong Kim, Mi Sook Kang1, Young Hee Kim
Energy Materials Center, Korea Institute of Ceramic Engineering and Technology
1Department of Chemistry, Yeungnam University
Aluminum nitride was synthesized using a carbothermal method from mesoporous alumina having a high surface area (> $1,000m^2/g$) as an aluminum source and CNTs (carbon nano tubes) as a carbon source. In this case the mesoporous alumina was used as the starting material instead of ${alpha}-Al_2O_3$ with the expectation that the mesopores in mesoporous alumina act as channels for N2 gas and elimination of CO generated as by-product. It is also expected that the synthetic temperature should be lower compared to the use of ${alpha}-Al_2O_3$ as a starting material due to its high surface area. The crystallinity of the produced aluminum nitride was studied by XRD and FT-IR, and the microstructure was investigated by FE-SEM. Also the purity of the aluminum nitride was analyzed through N/O determinator and ICP analysis.
Key words: AlN powder, Mesoporous alumina, Carbon nano tube, Energy efficient
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