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Preparation of Gold Nanoparticles by Reduction-Oxidation Reaction of HAuCl4
우엔 테 쭝(Nguyen The Dung),김동주(Kim, Dong-Joo),김교선(Kim, Kyo-Seon) 강원대학교 산업기술연구소 2009 産業技術硏究 Vol.28 No.B
We prepared gold nanoparticles (Au NPs) by reduction-oxidation reaction between HAuCl 4 and trisodium citrate and measured the size and morphology of Au NPs by TEM for various molar ratios of HAuCl4 to citrate and for various concentrations of HAuCl4. UV-vis spectroscopy was used to characterize the optical properties of Au NPs. Au NPs in the size range from 14.3 nm to 20.3 nm were prepared with monodisperse distribution.
Controlled Morphology of Particles Prepared by Electrospray Technique
우엔 테 쭝,최진훈,윤지애,김교선,Nguyen, The Dung,Choi, Jin-hoon,Yoon, Ji-Ae,Kim, Kyo-Seon Kangwon National University 2015 産業技術硏究 Vol.35 No.1
Various structures of particles were prepared by electrospray technique. In this research, solid particles were formed by electrospraying a solution of ethanol containing polyvinyl and tetraethyl orthosilicate. During the electrospray process, the ethanol solvent was evaporated, resulting in the solidification of precursors, forming solid particles. Evaporation of ethanol solvent also enhanced the mass transport which facilitated the development of porous and hollow structures.
Preparation of Gold Nanoparticles by Reduction-Oxidation Reaction of HAuCl4
우엔 테 쭝,김동주,김교선 江原大學校 産業技術硏究所 2009 産業技術硏究 Vol.29 No.B
We prepared gold nanoparticles (Au NPs) by reduction-oxidation reaction between HAuCl4 and trisodium citrate and measured the size and morphology of Au NPs by TEM for various molar ratios of HAuCl4 to citrate and for various concentrations of HAuCl4. UV-vis spectroscopy was used to characterize the optical properties of Au NPs. Au NPs in the size range from 14.3 nm to 20.3 nm were prepared with monodisperse distribution.