Dresden 2011 – scientific programme
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 32: Transport and Spectroscopy in Molecular Nanostructures I (related to SYMN, jointly with MO)
CPP 32.7: Talk
Wednesday, March 16, 2011, 15:45–16:00, ZEU 160
Demonstration of an organic photonic gate — •Martti Pärs1, Christiane Hofmann1, Peter Bauer2, Mukundan Thelakkat2, and Jürgen Köhler1 — 1Experimental Physics IV, University of Bayreuth, 95440 Bayreuth, Germany — 2Applied Functional Polymers, University of Bayreuth , 95440 Bayreuth, Germany
We demonstrate the function of an organic photonic gate, that consists of a photochromic switch that is covalently linked to two chromophores. As switch we use dithienylcyclopentene (DCP) that can reversibly be converted by light between two bistable states. As chromophores we employ perylene bisimide, whose fluorescence is monitored as a function of the state of the switch. We present results with respect to the modulation depth of the fluorescence, the quantum yield of the device, and its fatigue resistance.