Web Release Date: October 30,
Dynamics of the Dissociation of a Disulfide Biradical on a CdSe Nanoparticle Surface
Department of Chemistry, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada
Received August 14, 2007
Abstract:
Fluorescence spectroscopy and electron paramagnetic resonance (EPR) provide insights into the nature and dynamics of disulfide binding to the surface of CdSe quantum dots. We show evidence that adsorption occurs slowly but irreversibly, leading to time-dependent quenching efficiency.
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