A completely flexible solar PV module of circa 90 square centimeters is the centerpiece of Fraunhofer ISE’s booth at the upcoming LOPEC – the International Exhibition and Conference for Printed Electronics. Because this PV module is produced without indium-tin-oxide (ITO), an expensive compound normally used in organic photovoltaics, it also saves costs. A barrier layer in the module serves as a durable encapsulation, and the module-integrated solar cells have successfully passed the accelerated...