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Encapsulating of single quantum dots into polymer particles

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Abstract

Single semiconductor quantum dots were embedded into polymer particles with diameters below 0.1 μm by an emulsion polymerization procedure or via a secondary dispersion approach. The photoluminescence properties of the nanocrystals are retained upon encapsulation, as demonstrated by fluorescence confocal microscopy.

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Notes

  1. For a random placement of x balls into N baskets, with the probability of a given event being independent of previous events, the probability of a given basket containing n particles is P(n) = (1–N-1)x-n (N-1)n x! ((x–n)!)-1 (n!)-1.

  2. See footnote 1.

Abbreviations

QDs:

Quantum dots

SDS:

Sodium dodecyl sulfate

MMA:

methyl methacrylate

AIBN:

2,2-azobisisobutyronitrile

DLS:

Dynamic light scattering

AFM:

atomic force microscopy

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Acknowledgements

Y.G. is grateful for a research stipend by the Alexander von Humboldt-Foundation. We thank Dr. Marina Krumova for TEM analysis. Financial support by the DFG (SFB) is gratefully acknowledged.

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Authors and Affiliations

  1. Chemical Materials Science, Department of Chemistry, University of Konstanz, Constance, Germany

    Yan Gao, Sabrina Reischmann, Johannes Huber & Stefan Mecking

  2. Modern Optics and Quantum Electronics, Department of Physics, University of Konstanz, Constance, Germany

    Tobias Hanke, Rudolf Bratschitsch & Alfred Leitenstorfer

Authors
  1. Yan Gao
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  2. Sabrina Reischmann
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  3. Johannes Huber
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  4. Tobias Hanke
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  6. Alfred Leitenstorfer
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  7. Stefan Mecking
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Corresponding author

Correspondence to Stefan Mecking.

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Gao, Y., Reischmann, S., Huber, J. et al. Encapsulating of single quantum dots into polymer particles. Colloid Polym Sci 286, 1329–1334 (2008). https://doi.org/10.1007/s00396-008-1899-6

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  • DOI: https://doi.org/10.1007/s00396-008-1899-6

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