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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 17: Poster Session I

CPP 17.27: Poster

Monday, March 27, 2023, 18:00–20:00, P3

Towards needleless Electrospinning of a non-toxic, textile Dye-sensitized solar cell — •Marius Dotter — FH Bielefeld, University of Applied Sciences, Bielefeld, Deutschland

Photovoltaics can be used not only to feed energy into the power grid, but also to provide opportunities for applications on a smaller scale and for the autonomous supply of small electrical devices. In some cases, optimized efficiency can be dispensed with in favor of more cost-effective variants. Dye-sensitized solar cells (DSSC) offer a good option in this regard. They are also more effective indoors, because of a better conversion of stray light than semiconductor cells. Another idea is to make previously unused areas usable, with textiles such as tarpaulins, umbrellas and awnings being of particular interest. This niche, which has hardly been used so far, is to be filled by a textile DSSC, relying on needleless electrospinning for the textile haptics. This process, in which a polymer solution is formed into fine nanofibers using high voltage, which are then arranged in a disordered manner to form a nanofiber mat, enables simple and industrially scalable production of the DSSC components with a textile feel. In addition, simple production with non-toxic materials can also enable later reuse or simple recycling. In this context, this poster shows the general concept and progress of the work on the front electrode, which is based on a currently submitted paper.