Enhanced triplettriplet annihilation in bicomponent organic systems by using a gap plasmon resonator

Title
Enhanced triplettriplet annihilation in bicomponent organic systems by using a gap plasmon resonator
Authors
Jun Kue Park이기용정기남Doo-Hyun Ko한일기고형덕
Issue Date
2015-08
Publisher
Nanoscale
Citation
VOL 7, 12828-12832
Abstract
The triplet–triplet annihilation (TTA) efficiency in bicomponent organic systems is investigated by employing a gap plasmon resonator. In our structure, strong absorption peaks arising from coupling between localized surface plasmons and surface plasmon polaritons closely overlap the Q band of porphyrin, leading to higher triplet concentrations within the film. We find that at ultralow excitation intensities on the order of watts per square centimeter (W cm−2), TTA becomes predominant for the organic system on a gap plasmon resonator. A strong surface-enhanced Raman scattering intensity is observed in this substrate, verifying the nearfield enhancement
URI
http://pubs.kist.re.kr/handle/201004/50018
ISSN
20403364
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KIST Publication > Article
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