A comparative study of two different approaches for the incorporation of silver nanoparticles into layer-by-layer films

被引:19
|
作者
Jose Rivero, Pedro [1 ]
Goicoechea, Javier [1 ]
Raul Matias, Ignacio [1 ]
Javier Arregui, Francisco [1 ]
机构
[1] Univ Publ Navarra, Elect & Elect Engn Dept, Nanostruct Opt Devices Lab, Pamplona 31006, Spain
来源
关键词
Silver nanoparticles; Thin films; In situ synthesis process; Layer-by-layer embedding deposition technique; MONODISPERSE GOLD NANOPARTICLES; SIZE-CONTROLLED SYNTHESIS; MULTILAYER NANOREACTORS; POLYELECTROLYTE; REDUCTION; AG+; POLYACRYLATE; CATALYSIS;
D O I
10.1186/1556-276X-9-301
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this work, a comparative study about the incorporation of silver nanoparticles (AgNPs) into thin films is presented using two alternative methods, the in situ synthesis process and the layer-by-layer embedding deposition technique. The influence of several parameters such as color of the films, thickness evolution, thermal post-treatment, or distribution of the AgNPs along the coatings has been studied. Thermal post-treatment was used to induce the formation of hydrogel-like AgNPs-loaded thin films. Cross-sectional transmission electron microscopy micrographs, atomic force microscopy images, and UV-vis spectra reveal significant differences in the size and distribution of the AgNPs into the films as well as the maximal absorbance and wavelength position of the localized surface plasmon resonance absorption bands before and after thermal post-treatment. This work contributes for a better understanding of these two approaches for the incorporation of AgNPs into thin films using wet chemistry.
引用
收藏
页码:1 / 11
页数:11
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