28 Jun '18, 8pm

New Efficiency Record for Perovskite Solar—Can Oxford PV Hit 30% by 2020? https://t.co/1wxvhiL6KF

New Efficiency Record for Perovskite Solar—Can Oxford PV Hit 30% by 2020? https://t.co/1wxvhiL6KF

Oxford PV is claiming a new efficiency record, as it moves to create a 30+ percent efficient solar cell by 2020. The U.K. renewables technology developer hit a 27.3 percent conversion efficiency with a tandem solar cell using a material that experts believe could transform the solar sector. The company’s 1 cm2 perovskite -silicon tandem solar cell efficiency was certified by the Fraunhofer Institute for Solar Energy Systems, said Oxford PV in a press release . The efficiency was more than half a percentage point over the previous efficiency world record for a single-junction silicon solar cell, which stands at 26.7 percent, according to Oxford PV. The theoretical maximum for single-junction, direct bandgap PV, as determined by the Shockley-Queisser limit , is about 33 percent . For indirect bandgap materials such as silicon, this theoretical maximum is 29 percent, accordin...

Full article: https://www.greentechmedia.com/articles/read/a-new-effici...

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