| 학회 |
한국화학공학회 |
| 학술대회 |
2015년 봄 (04/22 ~ 04/24, 제주 ICC) |
| 권호 |
21권 1호, p.732 |
| 발표분야 |
유동층 |
| 제목 |
Continuous preparation of Sn doped ZnO in a micro drop/bubble fluidized reactor |
| 초록 |
The micro drop/bubble reactor has been developed to increase the production efficiency of ZnO and Sn doped ZnO powder continuously and effectively. Effects of flow rates of micro drops and bubbles, reaction temperature, Zn2+ concentration in the precursor solution, ratio of Sn/Zn ions and kinds of precursor solution on the characteristics of as-prepared ZnO and ZnO:Sn powders and on the production efficiency were investigated. The XRD analysis of as-prepared ZnO and ZnO:Sn confirmed that mainly single crystal structures were formed regardless of Sn doping level, indicating that no significant impurities were formed. The crystallite size of ZnO:Sn decreased with increasing the amount of Sn dopant. The Surface morphology as well as lattice microstructure of as-prepared powders could be modified by doping of Sn4+ into ZnO lattice. The powders were spherical and porous with uniform concentration and size distribution. It was found that the production efficiency of as-prepared powders increased considerably by adjusting the flow rates of micro drops and bubbles in the reactor. |
| 저자 |
유동준1, 이승호1, 양시우1, 임대호1, 신승훈1, 송기용1, 이찬기2, 강형구3, 강 용1
|
| 소속 |
1충남대, 2고등기술(연), 3Gentec. |
| 키워드 |
Micro drop/bubble; ZnO:Sn; Nano powder; Modified microstructure; Fluidized reactor
|
| E-Mail |
|
| 원문파일 |
초록 보기 |
