수열합성법을 이용한 TiO2 나노 입자의 합성

This paper investigated the synthesis conditions of nano-sized TiO2 powder in a hydrothermal process at a temperature range of 100~180℃ considering the precipitation agent, precipitation pH, reaction temperature and time. Titanium hydroxide formed by NH4OH exhibited a lower crystallization temperatu...

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Bibliographic Details
Published in대한금속·재료학회지, 48(6) pp. 543 - 550
Main Authors 김강혁, 이우진, 김동규, 이성근, 이상화, 김인수
Format Journal Article
LanguageKorean
Published 대한금속·재료학회 01.06.2010
Subjects
재료공학
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ISSN1738-8228
2288-8241

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Summary:This paper investigated the synthesis conditions of nano-sized TiO2 powder in a hydrothermal process at a temperature range of 100~180℃ considering the precipitation agent, precipitation pH, reaction temperature and time. Titanium hydroxide formed by NH4OH exhibited a lower crystallization temperature than that by NaOH and formed less aggregated TiO2 particles. As the precipitation pH increased above 8,the shape of the particles changed from spherical to needle form, which appeared to be caused by dissolution and re-precipitation of the titanium hydroxide in an alkali environment. KCI Citation Count: 15
Bibliography:G704-000085.2010.48.6.013
ISSN:1738-8228
2288-8241