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Received August 23, 2023
Accepted August 23, 2023
Available online June 3, 2013
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6-Aminohexanoic Acid를 이용하여 물에 분산되는 Maghemite 나노입자의 합성
Synthesis of Water-Dispersible Maghemite Nanocrystals using 6-Aminohexanoic Acid as a Capping Agent
경희대학교 화학공학과, 446-701 경기도 용인시 기흥구 덕영대로 1732
Department of Chemical Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Youngin-si, Gyeonggi-do 446-701, Korea
Korean Chemical Engineering Research, June 2013, 51(3), 403-406(4)
https://doi.org/10.9713/kcer.2013.51.3.403
https://doi.org/10.9713/kcer.2013.51.3.403
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Abstract
이 논문에서는 6-aminohexanoic acid (AHA)를 사용해서 물에 분산이 잘되는 균일한 maghemite 나노입자를 제조하는 방법을 설명한다. 물에 분산되는 maghemite 나노입자는 195 ℃의 octyl ether와 AHA의 혼합물에 Fe(CO)5를 넣어주는 방법으로 제조하였다. 제조된 나노입자는 좋은 결정성과 자성을 띄고 있으며 물에서 상당한 안정성을 보여주었다. 또한 ligand-exchange 방식으로 물에 분산되는 maghemite 나노입자를 제조하는 방법도 가능함을 확인하였다. 본 연구에서는 AHA를 이용하여 물에 분산된 금속 산화물 나노입자를 제조하는 새로운 대안을 제시하였다.
This paper describes a simple route to synthesis of water-dispersible monodisperse maghemite (γ-Fe2O3) nanocrystals using 6-aminohexanoic acid (AHA) as a stabilizer. The water-dispersible γ-Fe2O3 nanocrystals with an average size of 5 nm were obtained simply by addition of Fe(CO)5 into an octyl ether solution containing AHA at 195 ℃ under argon condition. As-prepared AHA coated γ-Fe2O3 nanocrystals exhibited highly crystallinity and magnetic property_x000D_
while keeping a good dispersity in an aqueous phase. We also obtained water-dispersible AHA coated γ-Fe2O3 nanocrystals using ligand-exchange method, demonstrating that AHA can be a good candidate for preparing water-dispersible uniform metal oxide nanocrystals.
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