Abstract
We provide an experimental investigation of a Purcell enhancement in a silver-organic periodic structure with an organic material CBP (4,4′-Bis(N-carbazolyl)-1,1′-biphenyl). Were fabricated two structures using a thermal evaporation technique with a different thickness ratio between layers. A rate of a fluorescence intensity decay of the periodic structures was experimentally measured in a near ultraviolet region. We show experimentally, that the rate of CBP molecule fluorescence decay increasing. A maximum registered value of the Purcell factor is close to 10.
Highlights
Organic light-emitting diodes (OLEDs) are attracting a great attention of researchers for display and lighting applications [1,2]
Lesker Spectros II system to fabricate metal-organic structures, 5 periods of CBP/silver layers were deposited on Al2O3(sapphire) substrate with evaporation rates 0.1 nm/s and 0.05 nm/s, respectively
Decay dynamics of CBP molecule excited states coupled with periodic structure and in a free space was measured by using a Time Correlated Single Photon Counting (TCSPC) method at room temperature and in 1×10-4 mbar vacuum
Summary
A full bibliographic reference is made to the original source a link is made to the metadata record in DRO the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders. Ser. 1135 012034 View the article online for updates and enhancements. This content was downloaded from IP address 129.234.39.153 on 07/11/2019 at 10:32
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