Communication

A Multidye Nanostructured Material for Optical Data Storage and Security Data Encryption†

  1. H. H. Pham1,
  2. I. Gourevich1,
  3. J. K. Oh1,
  4. J. E. N. Jonkman2,
  5. E. Kumacheva

Article first published online: 26 FEB 2004

DOI: 10.1002/adma.200306156

Issue

Advanced Materials

Advanced Materials

Volume 16, Issue 6, pages 516–520, March, 2004

Additional Information

How to Cite

Pham, H., Gourevich, I., Oh, J., Jonkman, J. and Kumacheva, E. (2004), A Multidye Nanostructured Material for Optical Data Storage and Security Data Encryption. Advanced Materials, 16: 516–520. doi: 10.1002/adma.200306156

Author Information

  1. 1

    Department of Chemistry, University of Toronto , 80 Saint George Street, Toronto, Ontario, M5S 3H6, Canada

  2. 2

    Advanced Optical Microscopy Facility, Ontario Cancer Institute, Princess Margaret Hospital , 610 University Avenue, Toronto, Ontario, M5G 2M9, Canada

  1. †

    The financial support of the Canada Research Chair Fund (NSERC Canada) and Premier Research Excellence Award is acknowledged with gratitude. We also wish to thank Prof. M. A. Winnik for useful discussions and Battista Calvieri and Steven Doyle for some of the bleaching experiments.

Publication History

  1. Issue published online: 22 MAR 2004
  2. Article first published online: 26 FEB 2004
  3. Manuscript Received: 11 SEP 2003

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Keywords:

  • Core–shell particles;
  • Data storage, optical;
  • Nanocomposites;
  • Photobleaching

A new class of materials for optical data storage and security data encryption is reported. Multidye colloid particles comprising different dyes in different phases are employed as the building blocks to produce a multicolored multiphase polymeric material. The incorporation of dyes in different phases minimizes energy transfer, provides selective dye photobleaching, and allows storage of different data on a single spot (see Figure and also cover).

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