Berlin 2015 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 61: Posters III (Organic-inorganic perovskite semiconductors; Organic photovoltaics and electronics; Photovoltaics; Energy science; New materials and concepts)

HL 61.19: Poster

Mittwoch, 18. März 2015, 15:00–20:00, Poster F

Optoelectronic Interfaces for Restoration of Degenerated Retina — •Oliya Sadrillaevna Abdullaeva¹, Manuela Schiek¹, Karin Dedek², Matthias Schulz³, Arne Lützen³, and Jürgen Parisi¹ — ¹Energy and Semiconductor Research Laboratory, Department of Physics, Carl von Ossietzky University of Oldenburg, D-26111, Germany — ²Department of Neurobiology, University of Oldenburg, 26111 Oldenburg, Germany — ³Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany

A novel approach towards the development of artificial photoreceptors for diseases like retinitis pigmentosa and age-related macular degeneration is the employment of organic semiconducting thin films. These conditions eventually cause blindness due to photoreceptor degeneration. Ghezzi et al. have recently reported the restoration of light in explanted retinas from animal models of photoreceptor degeneration by a single-component organic film of poly(3-hexylthiophene) via a photo-excitation process. They were able to trigger neuronal firing upon illumination. Our work focuses on employment of a Squaraine dye 2,4-Bis[4-(N,N-diisobutylamino)-2,6-dihydroxyphenyl]squarain as potential organic material for neuronal stimulation. Squaraine dyes are characterized by their unique aromatic four membered ring system. This work is aimed at testing the biocompatibility of Squaraine dyes with different biological cell lines and if so exciting the cells by illumination.