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Cavity induced fluorescence enhancement of graphitic carbon nitride submicron flakes
Aneesh Vincent Veluthandath, Sudhakara Reddy Bongu, ,
Published in Institute of Physics Publishing
2017
Volume: 4
   
Issue: 1
Abstract
Graphitic carbon nitride (g-C3N4), which is structurally analogous to graphene, shows excellent fluorescent yield. Sharp ripple structure is observed in the fluorescence spectra of g-C3N4 flakes grafted on the surface of single polymethyl methacrylate (PMMA) microspheres. The intensities and the number of modes of these structures nonlinearly vary with the sizeof micro-cavity and the coupled power. Theoretical simulations carried out with the help of Mie theory show that the ripple structure is dueto modulation of the fluorescenceby the whispering gallery modes (WGMs) of the spherical microcavity. © 2017 IOP Publishing Ltd.
About the journal
JournalMaterials Research Express
PublisherInstitute of Physics Publishing
ISSN20531591
Open AccessNo
Concepts (15)
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    Carbon nitride
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    Fluorescence
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    Microcavities
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    Nitrides
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    Optical resonators
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    Polymethyl methacrylates
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    COUPLED POWER
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    Fluorescence enhancement
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    Fluorescence spectra
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    Graphitic carbon nitrides
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    Mie theory
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    RIPPLE STRUCTURE
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    SPHERICAL MICROCAVITY
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    Theoretical simulation
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    Whispering gallery modes