<p>➀ The Fraunhofer FEP is developing optically effective surface structures for perovskite solar cells within the EU PERSEUS project to enhance cell efficiency and reduce reflection losses.</p><p>➁ The Design-PV project focuses on creating decorative surfaces for integrated photovoltaic modules, combining aesthetically pleasing solutions with PV-active wall areas.</p><p>➂ The RzR-NIL technology allows for the production of large-area, continuous film surfaces with various applications, such as Lab-on-Chip structures, biofouling reduction, and window anti-reflective coatings.</p>