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Spontaneous emission spectra of organic molecules in synthetic opal photonic crystals
1Guziy O.O., 2Abu Sal B., 1Moiseyenko V.N., 1Dergachov M.P., 1Shvachich V.G.

1Dnipropetrovsk National University, 72 Gagarin Ave., 49050 Dnipropetrovsk, Ukraine
2Department of Science, Taibah University, Kingdom of Saudi Arabia

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The emission of rhodamine 6G and 2,5-bis(2-benzoxazolyl)hydroquinone molecules embedded in synthetic opal photonic crystals are studied in the spectral range of 520–620 nm. It is found that the intensity of spontaneous emission is suppressed in the spectral region corresponding to the photonic stop band and is amplified on its “blue” side. 

Keywords: photonic crystals, photonic forbidden gap, stop band, fluorescence spectra, photon density of states

PACS: 78.67-n, 78.55.Mb
UDC : 535.361
Ukr. J. Phys. Opt. 9 164-168 
doi: 10.3116/16091833/9/3/164/2008
Received: 15.05.2008
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