EPFL solar cells Archives – The Green Optimistic green tech news, since 2008 Tue, 16 Jul 2013 16:04:20 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Record Efficiency for Organic Solar Cells Obtained by Michael Gratzel https://www.greenoptimistic.com/organic-solar-cells-record-efficiency-15-percent-20130716/ https://www.greenoptimistic.com/organic-solar-cells-record-efficiency-15-percent-20130716/#respond Tue, 16 Jul 2013 15:45:56 +0000 https://www.greenoptimistic.com/?p=39405 Michael Gratzel, the inventor of organic solar cells and a professor at EPFL (Ecole Polytechnique Federale de Lausanne) in Switzerland is hitting headlines again with the latest achievement in the field of organic photovoltaics: an efficiency figure of 15 percent. His new solid-state dye-sensitized solar cells (DSSC) are two percent more efficient than the last […]

The post Record Efficiency for Organic Solar Cells Obtained by Michael Gratzel appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/organic-solar-cells-record-efficiency-15-percent-20130716/feed/ 0 39405 Atom-Thick Coating Helps Researchers Achieve Artificial Photosynthesis https://www.greenoptimistic.com/cuprous-oxide-hydrogen-solar-epfl-20110511/ https://www.greenoptimistic.com/cuprous-oxide-hydrogen-solar-epfl-20110511/#respond Wed, 11 May 2011 18:24:32 +0000 https://www.greenoptimistic.com/?p=18593 By growing layers of zinc oxide and titanium dioxide on a semiconductor surface, researchers from the École polytechnique fédérale de Lausanne (EPFL) have managed to create solar cells that can ultimately extract hydrogen from water under the direct action of sunlight, just like leaves do their natural photosynthesis.

The post Atom-Thick Coating Helps Researchers Achieve Artificial Photosynthesis appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/cuprous-oxide-hydrogen-solar-epfl-20110511/feed/ 0 18593