IES-UPM’s quest for record cell at ultra high concentrations
Semiconductor Today, November 26th, 2013 The Group of III-V Semiconductors of the Instituto de Energía Solar at Universidad Politécnica de Madrid (IES-UPM) in Spain has reported a triple-junction concentrator photovoltaic (CPV) solar cell with an efficiency of 39.2%, as confirmed by the Fraunhofer Institute for Solar Energy Systems in Freiburg, Germany. After in November 2008…