4.6 Article

Metal-enhanced fluorescence of carbon dots adsorbed Ag@SiO2 core-shell nanoparticles

Journal

RSC ADVANCES
Volume 2, Issue 5, Pages 1765-1768

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra01032a

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Funding

  1. National Natural Science Foundation of China [20925621, 20976054, 21176083]
  2. Fundamental Research Funds for the Central Universities
  3. Program for Changjiang Scholars and Innovative Research Team in University [IRT0825]
  4. Shanghai Leading Academic Discipline Project [B502]

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Metal-enhanced fluorescence carbon dots adsorbed Ag@SiO2 composite nanoparticles, where the silica-shell is used to control the distance between silver-core and fluorescent carbon dots (CDs). A more than four-fold increase of fluorescence intensity of CDs was obtained, besides, a largely enhanced upconversion property was also observed.

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