6-Aminohexanoic Acid를 이용하여 물에 분산되는 Maghemite 나노입자의 합성

Abstract

This paper describes a simple route to synthesis of water-dispersible monodisperse maghemite () nanocrystals using 6-aminohexanoic acid (AHA) as a stabilizer. The water-dispersible nanocrystals with an average size of 5 nm were obtained simply by addition of into an octyl ether solution containing AHA at under argon condition. As-prepared AHA coated nanocrystals exhibited highly crystallinity and magnetic property while keeping a good dispersity in an aqueous phase. We also obtained water-dispersible AHA coated nanocrystals using ligand-exchange method, demonstrating that AHA can be a good candidate for preparing water-dispersible uniform metal oxide nanocrystals.