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Issue 23, 2012
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Photophysical properties of spherical aggregations of CdS nanocrystals capped with a chromophoric surface agent

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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

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Publication details

The article was received on 19 Mar 2012, accepted on 01 Apr 2012 and first published on 05 Apr 2012


Article type: Paper
DOI: 10.1039/C2DT30622K
Citation: Dalton Trans., 2012,41, 7067-7072
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    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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