Wednesday, August 28, 2013

A "wrap-and-wrest" mechanism of fluorescence quenching of CdSe/ZnS quantum dots by surfactant molecules




Nanoscale , 2013, Advance Article

DOI: 10.1039/C3NR03293K, Paper

Ewelina Kalwarczyk, Natalia Ziebacz, Tomasz Kalwarczyk, Robert Holyst, Marcin Fialkowski

A "wrap-and-wrest" mechanism of fluorescence quenching of quantum dots (QDs):polyoxyethylene-based surfactant molecules "wrap" the QDs with a bilayer "wresting" some protecting ligands, which leads to the formation of "quenching sites".

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