EPFL 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 […]

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]]> https://www.greenoptimistic.com/organic-solar-cells-record-efficiency-15-percent-20130716/feed/ 0 39405 Swiss High-Temperature Superconductor Discovery Could Change The Grid Forever https://www.greenoptimistic.com/swiss-high-temperature-superconductor-discovery-could-change-the-grid-forever-20120906/ https://www.greenoptimistic.com/swiss-high-temperature-superconductor-discovery-could-change-the-grid-forever-20120906/#comments Thu, 06 Sep 2012 17:51:51 +0000 https://www.greenoptimistic.com/?p=25945 A team of researchers from EPFL’s Laboratory for Quantum Magnetism could change the way people transmit electricity and the efficiency of the process. Their study on how extremely small particles act in conjunction with magnetism may give other physicists a clue on how to build high-temperature superconductors. By creating a layer of ceramic material just […]

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]]> https://www.greenoptimistic.com/swiss-high-temperature-superconductor-discovery-could-change-the-grid-forever-20120906/feed/ 1 25945 Molybdenum-Based Catalyst Discovered as Cheap Alternative to Platinum for Hydrogen Production https://www.greenoptimistic.com/molybdenum-catalyst-hydrogen-20110414/ https://www.greenoptimistic.com/molybdenum-catalyst-hydrogen-20110414/#respond Thu, 14 Apr 2011 18:40:29 +0000 https://www.greenoptimistic.com/?p=18017 There have been many researchers seeking the perfect catalyst for dissociating water into hydrogen and oxygen. Xile Hu and his team from the EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland have recently tinkered with a cheap catalyst made from molybdenum.

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