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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus

IMPACT FACTOR 2017: 1.144
5-year IMPACT FACTOR: 1.144

CiteScore 2017: 1.08

SCImago Journal Rank (SJR) 2017: 0.495
Source Normalized Impact per Paper (SNIP) 2017: 0.495

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Volume 221, Issue 3


Surface Chemistry of Semiconductor Nanocrystals

Alf Mews
Published Online: 2009-09-25 | DOI: https://doi.org/10.1524/zpch.2007.221.3.295

The fluorescence properties of CdSe semiconductor nanocrystals are investigated after surface modification with different kinds of molecular ligands. We show that the fluorescence is decreasing after removal of the excess ligands because the ligands are usually not strongly bound to the surface. The ligand exchange by multi-functional dye labelled polymer ligands allows to investigate the nanocrystal–ligand interaction by fluorescence resonance energy transfer (FRET-) experiments. Individual nanocrystal-dye complexes are investigated by single particle fluorescence microscopy and spectroscopy to show large inhomogeneities among the prepared structures.

Keywords: Semiconductor Nanocrystals; Surface Modification; Single Nanocrystals Energy Transfer

About the article

Received: 2006-07-28

Accepted: 2006-08-02

Published Online: 2009-09-25

Published in Print: 2007-03-01

Citation Information: Zeitschrift für Physikalische Chemie, Volume 221, Issue 3, Pages 295–306, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2007.221.3.295.

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