Communication

Incorporation of Luminescent Nanocrystals into Monodisperse Core–Shell Silica Microspheres †

  1. Y. Chan1,
  2. J. P. Zimmer1,
  3. M. Stroh2,
  4. J. S. Steckel1,
  5. R. K. Jain2,
  6. M. G. Bawendi

Article first published online: 17 NOV 2004

DOI: 10.1002/adma.200400237

Issue

Advanced Materials

Advanced Materials

Volume 16, Issue 23-24, pages 2092–2097, December, 2004

Additional Information

How to Cite

Chan, Y., Zimmer, J. P., Stroh, M., Steckel, J. S., Jain, R. K. and Bawendi, M. G. (2004), Incorporation of Luminescent Nanocrystals into Monodisperse Core–Shell Silica Microspheres . Adv. Mater., 16: 2092–2097. doi: 10.1002/adma.200400237

Author Information

  1. 1

    Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Room 6-221, Cambridge, MA 02139, USA

  2. 2

    Steele Lab for Tumor Biology, Massachusetts General Hospital, 100 Blossom Street, Cox 7, Boston, MA 02114, USA

  1. †

    Yinthai Chan and John P. Zimmer contributed equally to this work. We thank N. Chatterjee for the wavelength dispersive spectroscopy work, J. M. Caruge for the photostability measurements, and P. T. Snee for assistance with the CdSe synthesis. This work was supported in part by the MRSEC Program of the National Science Foundation under award number DMR 02-1328, the NSF-CRC program under award number CHE-0209898, the Department of Energy, and the ARO through the Institute for Collaborative Biotechnologies.

Publication History

  1. Issue published online: 16 DEC 2004
  2. Article first published online: 17 NOV 2004
  3. Manuscript Accepted: 29 JUL 2004
  4. Manuscript Received: 19 FEB 2004

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Keywords:

  • Cadmium selenide;
  • Cadmium sulfide;
  • Core–shell particles;
  • Fluorescence;
  • Microspheres;
  • Nanocrystals
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Silica microspheres coated with a silica or titania shell containing fluorescent semiconductor nanocrystals are described. Since the coating process does not affect the monodispersity of the silica microspheres, microspheres of a defined size and emission wavelength, potentially useful for biological applications, can be fabricated. The Figure shows 100 nm diameter blue-light-emitting and 500 nm diameter red-light-emitting microspheres circulating in the brain of a mouse.

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