Journal
ADVANCED MATERIALS
Volume 33, Issue 50, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202005900
Keywords
core– shell nanostructures; fluorescence; nonlinear spectroscopy; plasmon‐ enhanced spectroscopy; shell‐ isolated nanoparticle‐ enhanced Raman spectroscopy
Categories
Funding
- National Natural Science Foundation of China [21925404, 21972117, 21673187, 21775127, 22021001, 21991151]
- National Key Research and Development Program of China [2019YFA0705400, 2020YFB1505800, 2019YFD0901100]
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Plasmonic core-shell nanostructures have highly tunable optical properties, and when excited by an incident laser, generate strong and highly localized electromagnetic fields that significantly enhance excitation and/or radiation processes to amplify signals and improve spectroscopic sensitivity.
Plasmonic core-shell nanostructures have attracted considerable attention in the scientific community recently due to their highly tunable optical properties. Plasmon-enhanced spectroscopies are one of the main applications of plasmonic nanomaterials. When excited by an incident laser of suitable wavelength, strong and highly localized electromagnetic (EM) fields are generated around plasmonic nanomaterials, which can significantly boost excitation and/or radiation processes that amplify Raman, fluorescence, or nonlinear signals and improve spectroscopic sensitivity. Herein, recent developments in plasmon-enhanced spectroscopies utilizing core-shell nanostructures are reviewed, including shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS), plasmon-enhanced fluorescence spectroscopy, and plasmon-enhanced nonlinear spectroscopy.
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