Modulated Fluorescence of Colloidal Quantum Dots Embedded in a Porous Alumina Membrane

The fluorescence spectrum of CdSe core-CdS/ZnS shell colloidal quantum dots (QDs) embedded in porous alumina membrane was studied. Small peaks, superimposed on the principal QD fluorescence spectrum, were observed. Finite-difference time-domain simulation indicates that the QD point radiation emitti...

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Veröffentlicht in:	The journal of physical chemistry. B 2013-11, Vol.117 (45), p.14151-14156
Hauptverfasser:	Xu, Hao, Li, Li, Manneberg, Otto, Russom, Aman, Gylfason, Kristinn B, Brismar, Hjalmar, Fu, Ying
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Aluminum Oxide - chemistry Analytisk kemi Atom- och molekylfysik och optik Cadmium Compounds - chemistry Colloidal quantum dots Colloids Colloids - chemistry Condensed matter: electronic structure, electrical, magnetic, and optical properties Electrons Emittance Exact sciences and technology Excitation Finite difference time domain simulations Fluorescence Fluorescence peak Fluorescence spectra Fysik Heating Kemi Membranes Naturvetenskap Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Photoexcited electrons Photonic band structures Photons Physics Porosity Porous alumina membranes Quantum dots Quantum Dots - chemistry Selenium Compounds - chemistry Spectral feature Spectrometry, Fluorescence Sulfides - chemistry Zinc Compounds - chemistry
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