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Optoelectronics/Displays??

Team up aims to integrate solar films into building facades

Posted: 02 Oct 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Heliatek? AGC Glass Europe? photovoltaic? solar films? glass envelope?

Heliatek, a maker of organic photovoltaic films, has reached a joint development agreement with the European branch of flat glass producer AGC. The deal between Heliatek and AGC Europe primarily focuses on researching and developing the integration of glass and solar films, targeting the delivery of integrated solutions for the glass envelope of buildings.

This will enable the entire glass facades of buildings, including windows, to become highly efficient, cost-effective, solar energy harvesters to reduce a building's carbon footprint combined with a discrete, aesthetically-pleasing, visual appearance.

"Once developed, this will open up all vertical glass surfaces for PV" explains Thibaud Le Sguillon, CEO of Heliatek. "They offer a much larger installation area than roof tops that are the focus of today's solar building installations, plus there are no additional installations costs unlike conventional PV panels." The transparency level as well as the colour can be tuned to suit the customers' requirements. Measurements by SGS, an accredited and independent testing facility, have confirmed that Heliatek's lab cells offer an efficiency of 7.5 per cent at a light transmission level of 30 per cent. Currently, the company can produce a transparency level just over 40 per cent in its laboratories in Dresden, Germany.

Heliatek's solar films can be opaque or semi-transparent in a variety of colours. They are ultra-light, ultra-thin and highly efficient under real world conditions. They harvest the sun's energy at peak efficiency for longer daytime periods than traditional solar technologies: from full sun down to a tenth of full sun, such as on a cloudy day. In addition, they can operate efficiently in any orientation, even when not directly facing the sun and only receiving indirect or diffused light. Finally, their performance remains stable up to 80C.





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