Berlin 2018 – scientific programme
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DS: Fachverband Dünne Schichten
DS 17: Poster Session I
DS 17.63: Poster
Tuesday, March 13, 2018, 18:15–20:15, Poster B
Distinct Emission Characteristics of Nano-Sized Metal-Organic Hybrid Structures — •Maximilian Rödel1, Verena Kolb1, and Jens Pflaum1,2 — 1Experimental Physics VI, Julius Maximilian University of Würzburg, 97074 Würzburg — 2Bavarian Center for Applied Energy Research (ZAE Bayern), 97074 Würzburg
Nano-sized organic-metal hybrid structures offer unique and attractive optical properties for example, in lighting applications like organic LEDs. Moreover, by means of shadow-nanosphere-lithography we are able to fabricate these structures in hexagonally ordered arrays [1]. In this contribution, we report on laterally structured zinc-phthalocyanine (ZnPc) films in close proximity to nanostrucured gold or silver facettes and their resulting optical excitations posessing a coupled exciton plasmon character. Besides demonstrating a remarkable increase in light-outcoupling and quantifying the geometrical and plasmonic contributions, we investigate the occurrence and spectral signature of collective modes generated via plasmon-mediated interaction between the neighbouring discrete ZnPc nanovolumes.
[1] V. Kolb, J. Pflaum, Opt. Express 25 (2017) 6678