Communication

Diamond-Structured Titania Photonic-Bandgap Crystals from Biological Templates

  1. Jeremy W. Galusha,
  2. Matthew R. Jorgensen,
  3. Michael H. Bartl*

Article first published online: 3 DEC 2009

DOI: 10.1002/adma.200902852

Issue

Advanced Materials

Advanced Materials

Volume 22, Issue 1, pages 107–110, January 5, 2010

Additional Information

How to Cite

Galusha, J. W., Jorgensen, M. R. and Bartl, M. H. (2010), Diamond-Structured Titania Photonic-Bandgap Crystals from Biological Templates. Advanced Materials, 22: 107–110. doi: 10.1002/adma.200902852

Author Information

  1. Department of Chemistry and Department of Physics, University of Utah, 315 S 1400 E, Rm 2020, Salt Lake City, UT 84112 (USA)

*Department of Chemistry and Department of Physics, University of Utah, 315 S 1400 E, Rm 2020, Salt Lake City, UT 84112 (USA).

Publication History

  1. Issue published online: 22 DEC 2009
  2. Article first published online: 3 DEC 2009
  3. Manuscript Received: 20 AUG 2009

Funded by

  • ACS Petroleum Research Foundation
  • DuPont Young Professor Grant program
  • Synergy program
  • start-up funds of the University of Utah

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Keywords:

  • Titania;
  • Photonic crystals;
  • Biophotonics;
  • Biotemplating

Graphical Abstract

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Photonic crystal scales with a diamond-based lattice from the weevilLamprocyphus augustus are transformed into a high-dielectric titania replica by a biotemplating double-imprint route. Multidirectional optical reflectance spectroscopy of the replicated structure gives an angle-independent reflection band in the visible spectrum, in agreement with photonic band structure calculations, which reveal the formation of a complete photonic bandgap at visible frequencies.

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