| 학회 | 한국화학공학회 |
| 학술대회 | 2010년 가을 (10/21 ~ 10/22, 대전컨벤션센터) |
| 권호 | 16권 2호, p.1888 |
| 발표분야 | 열역학 |
| 제목 | TiO2 inverse opals fabricated using supercritical deposition |
| 초록 | In this study, we have used the method of supercritical deposition to make TiO2(titania) inverse opals. Compared to the conventional liquid phase deposition, this new method using supercritical fluid has advantages in the synthesis of ceramic materials. Especially, supercritical carbon dioxide(scCO2) is most frequently used as a medium, due to its cost effectiveness, nontoxic characteristics, and pressure requirements. Moreover, it is possible that the reaction occurs only on the particle surface if scCO2 is used as a medium. TiO2 inverse opals were produced in scCO2 with three-dimensional(3D) Polystyrene(PS) latex arrays as templates. The polymeric templates were reacted with Titanium isopropoxide(TTIP) used as precursors of titania, Ethanol, and distilled water in scCO2 at certain Conditions. The inverse opal materials obtained after calcinations of the template. For characterizing the inverse opals, Scanning electron microscopy(SEM) was used. |
| 저자 | 유혜민, 임종성, 문준혁, 유기풍 |
| 소속 | 서강대 |
| 키워드 | titania inverse opals; supercritical deposition; supercritical carbon dioxide |
| 원문파일 | 초록 보기 |
