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Independently verified by the U.S. Department of Energy¡¯s National Renewable Energy Laboratory (NREL), Ascent Solar says that its copper-indium-gallium- (di)selenide (CIGS) monolithically integrated 429cm2 sized thin-film modules have reached 10% conversion efficiencies. NREL had also witnessed module efficiencies of 10.4%, all produced from Ascent¡¯s 1.5MW production line in Colorado.

Dr. Harin S. Ullal, Senior Project Manager for the National Center for Photovoltaics at the National Renewable Energy Laboratory, commented, ¡°Ascent Solar has made progress in advancing the state-of-the-art flexible, lightweight thin-film CIGS PV technology. NREL has independently verified module conversion efficiency of more than 10.0% for several thin-film CIGS monolithically integrated modules deposited on flexible, lightweight plastic substrates.¡±

¡°Ascent¡¯s high-volume 30MW commercial plant is scheduled to commence initial production at the beginning of 2010,¡± noted Dr. Prem Nath, Sr. Vice President of Production Operations for Ascent Solar ¡°Module efficiency of 10% is a vital element for our low-cost-per-watt manufacturing goal in high volume and will establish Ascent Solar as a leader in the production of lightweight flexible photovoltaics used for portable power and building integrated photovoltaic (BIPV) products.¡±

Ascent Solar is also collaborating with NREL with the company¡¯s proprietary deposition process to use a zinc-magnesium-oxide (ZnMgO) layer to replace the standard window layer of a CIGS device. The ultimate aim is to replace all the top layers of the device.