Investigation of time-resolved fluorescence lifetime of perylene dye molecules embedded in silicon nanopillars
作者： Sabriye Acikgoz
DOI: 10.1007/S00339-014-8771-Y
关键词: Time-resolved spectroscopy 、 Perylene 、 Surface plasmon resonance 、 Dipole 、 Spontaneous emission 、 Nanopillar 、 Silicon 、 Photon counting 、 Molecular physics 、 Materials science 、 Analytical chemistry
摘要: The radiative decay rate of a perylene dye molecule attached to silicon nanopillar is investigated using conventional time-correlated single photon counting technique. It hard produce sustainable host with exactly the same dimensions all time during fabrication accommodate molecules for enhancement spontaneous emission rate. laser-induced electrochemical anodization method allows us have control over size and shape nanostructures. effect on described by Klimov’s prolate nanospheroid model. observed that significantly enhanced or inhibited due plasmon resonance, depending whether dipole embedded closely right at tip equator nanospheroid. Both inhibition disappear when distance between becomes large. Thus, approaches its natural value in free space.
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