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DS: Fachverband Dünne Schichten

DS 16: Organic Thin Films, Organic-Inorganic Interfaces

DS 16.7: Vortrag

Mittwoch, 3. April 2019, 11:15–11:30, H39

Semi-transparent organic detectors for standing wave sensing applications — •Vladislav Jovanov1, Patrice Donfack1, Arne Müller1, Arnulf Materny1, Dietmar Knipp2, and Veit Wagner11Jacobs University Bremen, 28759 Bremen, Germany — 2Stanford University, Stanford, CA 94305, USA

Organic semiconductor materials are widely used for the development and realization of optoelectronic devices because of their compatibility with solution processing fabrication and printing techniques. Currently, light emitting diodes and solar cells are the most developed areas of application of organic materials. The huge potential of organic materials is still not fully explored in other application areas among which optical sensing and spectrometers could be very promising. In this investigation, a fast and compact standing wave spectrometer based on semi-transparent organic photodetectors is developed [1]. The semi-transparent organic detectors are realized using polymer-fullerene material systems and solution-based fabrication. The fabricated semi-transparent detectors exhibit an overall transmittance of about 20% in the visible range of the electromagnetic spectrum. The realization of a standing wave spectrometers is achieved by combining fabricated semi-transparent organic detectors with a movable mirror controlled by a piezo micro-actuator. The unique advantages of standing wave sensing devices based on organic materials as well as the required material properties are presented and discussed.

[1] V. Jovanov, P. Donfack, A. Müller, A. Materny, D. Knipp, and V. Wagner, J. Mater. Chem. C 6, 11457-11464 (2018).

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DPG-Physik > DPG-Verhandlungen > 2019 > Regensburg