heterojunction technologies Archives – The Green Optimistic green tech news, since 2008 Sat, 29 Sep 2012 14:34:57 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Improved Solar Cells Provide Astonishing Energy Conversion Efficiency https://www.greenoptimistic.com/improved-solar-cells-provide-astonishing-energy-conversion-efficiency-20120929/ https://www.greenoptimistic.com/improved-solar-cells-provide-astonishing-energy-conversion-efficiency-20120929/#respond Sat, 29 Sep 2012 14:34:36 +0000 https://www.greenoptimistic.com/?p=26231 At the European Photovoltaic Solar Energy Conference and Exhibition that took place in Frankfurt between 24th and 28th of September, Professor Christophe Ballif and his team of researchers from the Photovoltaics Laboratory (PVlab)- EPFL’s Institute of Microengineering in Neuchatel, presented a striking innovation. They claimed that as little as $2500 in photovoltaic cells could easily […]

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