Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 171, Issue -, Pages 72-77Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2012.12.034
Keywords
Core-shell nanoparticles; Gold-silver nanoshells; Sol-gel templating method; Mesoporous silica
Categories
Funding
- CNRS
- Region Aquitaine
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Core-shell nanoparticles based on Ag-Au nanoshell core and mesoporous silica shell with a radial pore orientation have been synthesized using a sol-gel surfactant templating method. The Ag/Au ratio of the nanoshells were elaborated through a galvanic replacement method performed with hydroxide gold substituted precursor using HAuCl4 as native gold precursor and NaOH as modifier. The nanoshell synthesis was optimized to provide light absorption in the near infrared biological window region before silica coating. (C) 2013 Elsevier Inc. All rights reserved.
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