Issue 23, 2012

Photophysical properties of spherical aggregations of CdS nanocrystals capped with a chromophoric surface agent

Abstract

A novel sulfur-terminal Cd(II) complex, CdS2L (L = N-hexyl-3-{2-[4-(2,2′:6′,2′′-terpyridin-4′-yl)phenyl]ethenyl}-carbazole), was successfully synthesized from CdS nanocrystals and the organic chromophores (L), which was confirmed by single-crystal X-ray diffraction analysis. Its photophysical properties have been investigated both experimentally and theoretically. The novel hybrid nanoparticles (CdS/L) were then obtained using the L as surface capped agent, which aggregate into large spheres, exhibiting novel luminescent properties, strong two photon absorption (TPA) and obvious prolonged fluorescence lifetime, which differ from those of the pure CdS nanocrystals and free L.

Graphical abstract: Photophysical properties of spherical aggregations of CdS nanocrystals capped with a chromophoric surface agent

Supplementary files

Article information

Article type
Paper
Submitted
19 Mar 2012
Accepted
01 Apr 2012
First published
05 Apr 2012

Dalton Trans., 2012,41, 7067-7072

Photophysical properties of spherical aggregations of CdS nanocrystals capped with a chromophoric surface agent

Q. Zhang, Y. Gao, S. Zhang, J. Wu, H. Zhou, J. Yang, X. Tao and Y. Tian, Dalton Trans., 2012, 41, 7067 DOI: 10.1039/C2DT30622K

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