Dually enriched Cu:CdS@ZnS QDs with both polyvinylpyrrolidone twisting and SiO2 loading for improved cell imaging

Through harvesting of the increased Stokes shift of CdS QDs via Cu-doping, the concentration-quenching or aggregation-quenching of CdS QDs was largely alleviated. A dually-enriched strategy with both polyvinylpyrrolidone (PVP) twisting and SiO2 loading was developed for generating a highly luminesce...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2015-02, Vol.51 (17), p.3552-3555
Main Authors: Li, Mei, Xu, Chaoying, Wu, Lan, Wu, Peng, Hou, Xiandeng
Format: Article
Language:English
Subjects:
Cadmium Compounds - chemistry
Cells
Copper - chemistry
HeLa Cells
Humans
Molecular Imaging
Particle Size
Povidone - analogs & derivatives
Povidone - chemistry
Quantum Dots
Silicon Dioxide - chemistry
Staining and Labeling
Sulfides - chemistry
Surface Properties
Zinc Compounds - chemistry
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Summary:Through harvesting of the increased Stokes shift of CdS QDs via Cu-doping, the concentration-quenching or aggregation-quenching of CdS QDs was largely alleviated. A dually-enriched strategy with both polyvinylpyrrolidone (PVP) twisting and SiO2 loading was developed for generating a highly luminescent doped-dots (d-dots) assembly for improved cell imaging.
ISSN:1364-548X
DOI:10.1039/c4cc10127h