Communication

Hydrogen Sensing with Subwavelength Optical Waveguides via Porous Silsesquioxane-Palladium Nanocomposites†

  1. Donald J. Sirbuly*,
  2. Sonia E. Létant,
  3. Timothy V. Ratto*

Article first published online: 1 SEP 2008

DOI: 10.1002/adma.200800890

Issue

Advanced Materials

Advanced Materials

Volume 20, Issue 24, pages 4724–4727, December 17, 2008

Additional Information

How to Cite

Sirbuly, D. J., Létant, S. E. and Ratto, T. V. (2008), Hydrogen Sensing with Subwavelength Optical Waveguides via Porous Silsesquioxane-Palladium Nanocomposites. Adv. Mater., 20: 4724–4727. doi: 10.1002/adma.200800890

Author Information

  1. Chemistry, Materials, Earth, and Life Sciences Directorate Lawrence Livermore National Laboratory 7000 East Avenue, Livermore, CA 94550 (USA)

*Chemistry, Materials, Earth, and Life Sciences Directorate Lawrence Livermore National Laboratory 7000 East Avenue, Livermore, CA 94550 (USA).

  1. †

    D.J.S. acknowledges funding from the Harold C. Graboske Jr. Fellowship from LLNL. We thank Yong Han, Aleksandr Noy, Olgica Bakajin, Andrew Saab, and Robert Maxwell from LLNL for help with the experiments and discussion. This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. Supporting Information is available online from Wiley InterScience or from the authors.

Publication History

  1. Issue published online: 16 DEC 2008
  2. Article first published online: 1 SEP 2008
  3. Manuscript Revised: 14 MAY 2008
  4. Manuscript Received: 1 APR 2008

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Keywords:

  • evanescent field;
  • hydrogen sensing;
  • nanowire;
  • subwavelength;
  • waveguide
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Subwavelength optical waveguides coated with porous silsesquioxane-palladium nanocomposites are used to detect hydrogen gas. This compact waveguide sensing platform shows extremely fast response times over short interaction lengths and can be reused by stripping/re-depositing the chemo-responsive nanoparticle coatings.

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