Metal nanoparticle doped coloured coatings on glasses and plastics through tuning of surface plasmon band position

被引：12
作者：
De, Goutam [1 ]
Medda, Samar Kumar [1 ]
De, Sucheta [1 ]
Pal, Sudipto [1 ]
机构：
[1] Cent Glass & Ceram Res Inst, Sol Gel Div, Kolkata 700032, India
来源：
BULLETIN OF MATERIALS SCIENCE | 2008年 / 31卷 / 03期
关键词：
Metal (single/mixed/alloy) nanoparticles; surface plasmon; coloured coatings on glasses and plastics; layer-by-layer coatings by sol-gel; refractive index tuning; NLO material;
D O I：
10.1007/s12034-008-0075-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Several noble metal nanoparticles doped sol-gel derived thin coloured films have been synthesized and characterized. These are pure (Ag, An, Cu and Pt), mixed/alloy (Ag-Cu, Au-Cu, Au-Ag and Au-Pt) nanoparticles in SiO2, An in mixed Sio(2)-TiO2 and SiO2-ZrO2, An and Ag nanoparticles in inorganic-organic hybrid film matrices etc. This investigation leads to the development of tailor-made coloured coatings by tuning the surface plasmon resonance (SPR) band positions originating from the embedded nanometals by controlling mainly (i) refractive index of the film matrices and (ii) nanoalloy composition. In the later case a new layerby-layer (two-layer) synthetic protocol has been developed to prepare binary nanoalloy particles with controlled atomic ratios.
引用
收藏
页码：477 / 485
页数：9
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