Title :
CdSe quantum dots — Calix[4]crown-5 nanoassembly for ion sensing
Author :
Frasco, M.F. ; Chaniotakis, N.A.
Author_Institution :
Dept. of Chem., Univ. of Crete, Iraklion, Greece
Abstract :
This paper presents a novel direct fluorescent ion detection system based on optically active inorganic CdSe quantum dots, surface-functionalized with an organic ionophore, a calixcrown. This new nanoassembly was accomplished via a thiol-based capping strategy. The detection of metal ions upon interaction with the calixcrown relied on changes in quantum dots fluorescence.
Keywords :
II-VI semiconductors; cadmium compounds; chemical sensors; fluorescence; nanotechnology; semiconductor quantum dots; wide band gap semiconductors; CdSe; calixcrown; ion sensor; metal ions; nanoassembly; novel direct fluorescent ion detection system; optically active inorganic quantum dots; organic ionophore; quantum dot fluorescence; thiol-based capping strategy; Biomedical optical imaging; Fluorescence; Optical attenuators; Optical scattering; Optical sensors; Particle beam optics; Quantum dots; Raman scattering; Spectroscopy; Stimulated emission;
Conference_Titel :
Semiconductor Conference, 2009. CAS 2009. International
Conference_Location :
Sinaia
Print_ISBN :
978-1-4244-4413-7
DOI :
10.1109/SMICND.2009.5336603
