水/油界面上自组装金纳米粒子单层薄膜

Self-assembly of Gold Nanoparticles Monolayer Film at Water/Oil Interface

采用界面自组装的方法制备了金纳米粒子单层薄膜。该方法克服了传统制备金纳米粒子薄膜需要引入第三种助剂的缺点,仅用金溶胶和另外一种疏水溶剂通过简单的混合,就可得到金纳米粒子单层薄膜。通过调节疏水溶剂的极性,可以调节组成金膜中金纳米粒子的数密度,即纳米粒子的间距。

Au nanoparticles monolayer film at the water/oil interface was obtained through self-assembly of Au NPs. The preparation procedure only needs to mix the two phases of Au hydrosol and oil and then to shake for a while. The particle-particle distance can be controlled by changing the polarity of the oil.