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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 37: Poster Session III

CPP 37.51: Poster

Mittwoch, 3. April 2019, 11:00–13:00, Poster B1

Long-term durability measurement of LHC-based DSSC under constant illumination — •Aike Weißmann¹, Fabian Schmid-Michels¹, Nina Lämmermann², Lutz Wobbe², Andreas Hütten¹, and Olaf Kruse² — ¹Center for Spinelectronic Materials and Devices, Physics Department, Bielefeld University, Germany — ²Faculty of Biology, Algae Biotechnology & Bioenergy, Bielefeld University, Germany

With the recent surge in interest in ligh harvesting complexes (LHC) as a substitution for more traditional choices of dye in dye-sensitized solar cells (DSSC), the question of stability of the biological compounds becomes more pressing. LHC are required to withstand effects of photobleaching, heat and possibly hostile electrolytic environments to ensure the longevity of the created devices. This is necessary for LHC to be able to become a low-cost, low-toxicity alternative to the more commonplace dyes. To this end, LHC-based DSSC have been kept under constant illumination for an extended (> 48h) period of time, while their power output, short-circuit current and open-circtuit voltage had been measured at least once per hour.