Abstract
A plasmonic–photonic crystal was fabricated by self-assembling a three-dimensional photonic crystal (PC) on a gold film with a light-emitting film in between them. The attenuated total reflection (ATR) and photoluminescence (PL) measurements show that the coupling of surface plasmons to surface modes and additional guided modes yielded in plasmonic–photonic crystal result in two distinct reflectivity minima at 52.5° and 68° in its ATR curve and two emission peaks with different intensity at 590nm and 620nm in the PL spectrum. The introduced PC leads the reflectivity minimum at 50.4° for the gold film to shift to 52.5° for the plasmonic–photonic crystal due to the change in effective permittivity.
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