In 1988, Dr. Michael Graetzel at Ecole Polytechnique Fédérale de Lausanne (EPFL) in Switzerland created the "Graetzel Cell" which utilses nanotechnology instead of using a single large titanium dioxide (titania) semiconductor, he worked with a sponge of small particles, each about twenty nanometres in diameter, coated with an extremely thin layer of pigment. This method increased the effective surface area available for absorbing the light by 'many times'- now the sunlight was efficiently converted into an electric current. Since the 1970's, many attempts have been made to create a better solar cell, the "Graetzel Cell" represented a significant break through in solar cell technology.

For the past 18 years, Dr. Michael Graetzel along with his team of researchers at EPFL have worked to perfect this revolutionary technology. Over the past 5 years, Konarka Technologies has further developed the "Graetzel Cell" by adapting it to extremely lightweight flexible substrates. Additionally, Konarka acquired Siemens Polymer Solar Cell Technology Division in Nuremberg, Germany, creating an IP portfolio second to none in the world.

In 2006, G24 Innovations acquired a license to manufacture this technology in Europe, with unlimited worldwide distribution rights, which included all current and forward intellectual property. G24i will commercialise this technology by utilising its proprietary, "roll to roll", advanced manufacturing.

Licensee of EPFL's Photovoltaic Dye Solar Cell Technology