Isotachophoretic measurements of luminescent semiconductor nanocrystals
by Wendelin Bucking, Jurgen Riegler, Christian Rettenmaier, Thomas Nann
International Journal of Nanotechnology (IJNT), Vol. 4, No. 3, 2007

Abstract: Luminescent semiconductor nanocrystals were derivatised by mercaptocarboxylic acids. A direct synthesis in the solution of the ligand and a post-synthesis ligand exchange method was used. The two methods were compared and evaluated by isotachophoresis. The electrophoretic mobility, as well as the colloidal stability and the coverage with the ligand, were determined. An alternative method for concentration estimation of nanocrystals by isotachophoresis was introduced.

Online publication date: Tue, 01-May-2007

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