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Organic PV consortium pushes for solar efficiency

Posted: 24 Feb 2012 ?? ?Print Version ?Bookmark and Share

Keywords:organic photovoltaics? tandem cell? consortium?

The Swiss Center for Electronics and Microtechnology (CSEM SA) has launched a four-year, $18.8 million project named SUstainable Novel FLexible Organic Watts Efficiently Reliable (Sunflower) that aims to develop efficient, long-lasting and environmentally-friendly printed organic photovoltaics (OPV). It includes17 partner institutions that include Agfa, BASF, DuPont Teijin Films, Amcor Flexible Kreuzlingen, as well as Konarka Technologies and European research institutes and universities.

The Sunflower consortium said it expects to produce printed OPV panels with high efficiency architectures such as tandem cells and dedicated light management structures. The performance of the photo active and passive barrier materials is expected to be much higher including process controlled morphology, partners noted.

OPV layers

CSEM SA launched a four-year project that aims to develop highly efficient, long-lasting, cheap and environmentally friendly printed OPV.

Project partners said they intend to deliver solutions for cost effective flexible substrates, diffusion barriers and conductors. In the near future, they said they expect to have a deeper knowledge of the device physics, an elucidation of degradation mechanisms and an estimate of the environmental impact of the main materials and processes.

The consortium indicated that the requirements for the project prototype include: high module efficiency to be competitive with other PV technologies, multilayer structure (tandem) to achieve high efficiency, cost effective barriers and getters to achieve long lifetime and roll-to-roll atmospheric printing processes to lower costswhere costs include fabrication (Eur) and environmental impact (kgCO2).

- Anne-Francoise Pele
??EE Times

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