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Silica-coated plasmonic metal nanoparticles in action

Abstract: Hybrid colloids consisting of noble metal cores and metal oxide shells have been under intense investigation for over two decades and have driven progress in diverse research lines including sensing, medicine, catalysis, and photovoltaics. Consequently, plasmonic core-shell particles have come to play a vital role in a plethora of applications. Here, an overview is provided of recent developments in the design and utilization of the most successful class of such hybrid materials, silica-coated plasmonic metal nanoparticles. Besides summarizing common simple approaches to silica shell growth, special emphasis is put on advanced synthesis routes that either overcome typical limitations of classical methods, such as stability issues and undefined silica porosity, or grant access to particularly sophisticated nanostructures. Hereby, a description is given, how different types of silica can be used to provide noble metal particles with specific functionalities. Finally, applications of such nanocomposites in ultrasensitive analyte detection, theranostics, catalysts, and thin-film solar cells are reviewed.

 Fuente: Advanced Materials, 2018, 30(27), 1707003

Editorial: Wiley-Blackwell

 Fecha de publicación: 05/07/2018

Nº de páginas: 28

Tipo de publicación: Artículo de Revista

 DOI: 10.1002/adma.201707003

ISSN: 1521-4095,0935-9648

 Proyecto español: MAT2013-46101-R

Url de la publicación: https://doi.org/10.1002/adma.201707003