Photonic band gap effect and structural color from silver nanoparticle gelatin emulsion

Mang Hin Kok*, Rui Ma, Jeffrey Chi Wai Lee, Wing Yim Tam, C. T. Chan, Ping Sheng, Kok Wai Cheah

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

14 Citations (Scopus)

Abstract

We have fabricated planar structures of silver nanoparticles in monochromatic gelatin emulsion with a continuous spacing ranging from 0.15-0.40 micron using a two-beam interference of a single laser source. Our planar holograms display a colorful "rainbow" pattern and photonic bandgaps covering the visible and IR ranges. We model the planar silver nanoparticle-gelatin composite system using an effective medium approach and good agreement is obtained between theory and experiment.

Original languageEnglish
Article number047601
JournalPhysical Review E
Volume72
Issue number4
DOIs
Publication statusPublished - Oct 2005

Scopus Subject Areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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