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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 36: Organic Electronics and Photovoltaics III

CPP 36.8: Hauptvortrag

Donnerstag, 21. März 2024, 11:30–12:00, H 0110

Digital luminescence: Novel platform for minimalistic photonic applications based on programmable luminescent tags — •Sebastian Reineke — Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Institute of Applied Physics, Technische Universität Dresden, Dresden, Germany

Information is everywhere and with the ever-growing thirst for data in the digital age, solutions for information storage and exchange need to advance. Barcodes and QR-codes are the current systems for passive information distribution in all sectors (B2B, B2C, and private). In this talk, I will present an advanced system for information storage and exchange based on luminescence of organic molecules. In contrast to passive printed codes, these programmable luminescent tags (PLTs) allow for non-contact writing, erasing, and re-writing, thus allowing much more use scenarios where the interaction with the data is essential. The system's core functionality is based on the phosphorescence of organic emitters, which can be turned on or off depending on the presence or absence of nearby molecular oxygen, respectively. These emitters are embedded in special transparent polymer foils, rendering the PLTs invisible when not used. Following the discussion of the general concept of PLTs, I will give an update on our recent efforts towards such systems made from biodegradable materials to demonstrate their potential as environmentally-harmless functional systems.

Keywords: organic semiconductors; phosphorescence; programmable luminescent tags; luminescence; information exchange