Journal
NANOMATERIALS
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/nano12101694
Keywords
nanostructure; surface plasmonics; photonic crystal; color filter
Categories
Funding
- Technology Innovation Program [20016350]
- Ministry of Trade, Industry & Energy (MOTIE, Korea)
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In this study, a simple and effective design of plasmonic color filter integrated with one-dimensional photonic crystal is proposed to achieve high color purity.
Structural colors have been reported instead of conventional dye- or pigment-based color filters. Color selectivity can degrade as structure-based optical resonances are accompanied by several resonance modes. In this work, we suggest a simple and effective design of the plasmonic color filter (PCF) that integrated the PCF with the one-dimensional (1D) photonic crystal (PhC). The introduced PhC creates an optical band gap and suppresses undesired peaks of the PCF caused by the high-order resonance mode. Finally, the suggested structure provides a high color purity. This study can be a guideline for technology that replaces conventional color filters.
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