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CdS photoluminescence inhibition by a photonic structure

AuthorsBlanco, Andreu ; López, Cristóbal ; Mayoral, R.; Míguez, Hernán ; Meseguer, Francisco ; Mifsud, A.
Issue Date1998
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 73: 1781-1783 (1998)
AbstractHere we present experimental evidence of the strong modification of the CdS photoluminescence when it is embedded in a SiO2 colloidal photonic crystal. When the emitted light matches a forbidden photonic band in the matrix, inhibition of the semiconductor photoluminescence is achieved. In this work we prove the effective control of this effect by means of the photonic lattice parameter of the host. CdS was grown by chemical bath deposition and its quality has been checked employing Raman spectroscopy and x-ray diffraction. Scanning electron microscopy is used to study the morphology of the composite. © 1998 American Institute of Physics.
Identifiersdoi: 10.1063/1.122280
issn: 0003-6951
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