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Synthesis and spectroscopic studies of chiral CdSe quantum dots

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Author(s)
Gallagher, Shane A. 
Moloney, Mícheál P. 
Wojdyla, Michal 
Quinn, Susan J. 
Kelly, John M. 
Gun'ko, Yurii K. 
Uri
http://hdl.handle.net/10197/4296
Date Issued
August 2010
Date Available
30T11:16:22Z April 2013
Abstract
Using microwave irradiation, water soluble, optically active, penicillamine (Pen) capped CdSe nanocrystals with broad spectral distribution (430-780 nm) of photoluminescence have been produced and studied by a range of instrumental techniques including absorption, circular dichroism and both steady state and time resolved photoluminescence spectroscopy. The photoluminescence of these nanocrystals is attributed to emission from surface defect states. The decay of the excited state in the nanosecond region, which can be analysed as a triple exponential, depends strongly on the emission wavelength selected, but only weakly on the excitation wavelength.
Type of Material
Journal Article
Publisher
RSC Publishing
Journal
Journal of Materials Chemistry
Volume
20
Issue
38
Start Page
8350
End Page
8355
Copyright (Published Version)
2010, Royal Society of Chemistry
Keywords
  • Spectroscopy

  • Chiral

  • CdSe

  • Quantum dots

DOI
10.1039/C0JM01185A
Language
English
Status of Item
Not peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Chemistry Research Collection
Scopus© citations
79
Acquisition Date
Mar 20, 2023
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Mar 21, 2023
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