High concentrated TiO<sub>2</sub> nano colloids were synthesized by sol-gel method. Reactions were performed in TiCI<sub>4</sub>/HCI/H<sub>2</sub>O aqueous solution and the conditions of particles such as shape, siz...
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https://www.riss.kr/link?id=A106181204
2002
-
KCI등재
학술저널
214-224(11쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
High concentrated TiO<sub>2</sub> nano colloids were synthesized by sol-gel method. Reactions were performed in TiCI<sub>4</sub>/HCI/H<sub>2</sub>O aqueous solution and the conditions of particles such as shape, siz...
High concentrated TiO<sub>2</sub> nano colloids were synthesized by sol-gel method. Reactions were performed in TiCI<sub>4</sub>/HCI/H<sub>2</sub>O aqueous solution and the conditions of particles such as shape, size and aggregation, etc. were controlled by polymerization and adsorption of acrylamide in surface of TiO<sub>2</sub> nano particles. And also, aminopropyltriethoxysilane was added instead of acrylamide and compared each other. The prepared colloids were well dispersed and showed the strong absorption peaks at 350nm-370nm which is blue shifted to 20-30nm, compared to macro particles. The obtained techniques from TiO<sub>2</sub> nano colloids synthesis were utilized in coating on boron nitride powders which are nonpolar and isoelectronic materials of carbon. Their surface morphology, structure, thermal stability and U.V absorption characteristics were examined by SEM(Scanning Electron Microscopy), XRD(X-ray diffraction), TG/DTA(Thermogravimetric and Differential Thermal Analysis), UV-VIS(Ultraviolet- Visible Spectroscopy).corresponding auther(e-mail:shlee6914@hanmail.net)
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