CHIMIE DOUCE PREPARATION OF REPRODUCIBLE SILVER COATINGS FOR SERS APPLICATIONSстатья
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Дата последнего поиска статьи во внешних источниках: 26 сентября 2016 г.
Аннотация:A new soft chemistry preparation method of submicron - thick porous coatings of metallic silver is suggested for possible Surface Enhanced Raman Spectroscopy (SERS) applications. The method is based on facile deposition of diamminesilver (I) aerosols forming instantly a nanostructured layer by fast decomposition and self – reduction of [Ag(NH3)2]+ aqueous solutions onto surfaces of inorganic substrates under mild conditions of 280 – 3000C in air. A strong difference in overall microstructures and related SERS signals of model analytes is found for substrates with different deposition time and in comparison with a standard magnetron deposition technique. It is demonstrated that the suggested method is predominant for formation of robust SERS substrates with a stable and reproducible SERS enhancement.