Ultrasonic, Chemical Stability and Preparation of Self-Assembled Fullerene$[C_{70}]$-Gold Nanoparticle Films

자기조립 풀러렌$[C_{70}]$-금 나노입자 필름 제조와 초음파적, 화학적 안정성

  • 고원배 (삼육대학교 화학과) ;
  • 손영석 (Western Kentucky University 화학과)
  • Published : 2005.12.31

Abstract

[ $C_{70}$ ]-gold nanoparticle multilayer films were self-assembled using a 'dirt-ball' method on the reactive surface of glass slides functionalized with 3-aminopropyltrimethoxysilane. The functionalized glass slides were soaked in the solution containing both unmodified $C_{70}$ and ${\omega}$-amino-functionalized gold nanoparticles. Organic reaction (amination) facilitated the assembly of multilayer $C_{70}$-gold nanoparticle films, which have grown up to several layers. Chemical stability of $C_{70}$-gold nanoparticle films was studied by monitoring the changes in absorbance after the immersion of the films in acidic solution. In addition, ultrasonic stability of these nanoparticle films was studied by exposing them to ultrasonic irradiated surrounding, which resulted in partial desorption and a little aggregation of nanoparticles on solid surfaces.

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