| 학회 | 한국화학공학회 |
| 학술대회 | 2005년 봄 (04/22 ~ 04/23, 여수대학교) |
| 권호 | 11권 1호, p.876 |
| 발표분야 | 재료 |
| 제목 | 화염분무법을 이용한 ITO 분말 제조공정 특성분석 |
| 초록 | Recently, flame spray pyrolysis is attracting much attentions in the synthesis of various single and multi component nanoparticles from aqueous precursors since they were proven to produce nanoparticles possessing high purity, controlled stoichiometry and crystallinity due to high enough flame temperature to obtain complete thermal decompositions of precursors through intense oxidation chemistries. This work numerically investigates effects of process conditions, such as the flow rates of fuel and oxidizer, and precursor concentration, determining flame characteristics, on the particle size for the synthesis of ITO powder from the aqueous precursor droplets in a diffusion flame. When the molar concentration of the precursor in the aqueous solution increased while maintaining all other conditions unchanged, the concentration of the gaseous precursor in the flame increased, in turn, the average particle size increased due to faster growth rate of nuclei than nucleation rate. As the fuel flow rate increased, the flame temperature increased and the average particle size also increased. The average particle size decreased, however, as total flow rate increased due to shorter residence time in the flame. This work was financially supported by the Ministry of Science and Technology. |
| 저자 | 김헌창1, 황일선1, 장희동2 |
| 소속 | 1호서대, 2한국지질자원(연) |
| 키워드 | 화염분무법; ITO; 나노 |
| 원문파일 | 초록 보기 |
