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New Solar Cell Efficiency Record with Thin Film
18 May 2008, 22:10

Categories: smt-energy-photovoltaic energy

Researchers at Eindhoven University of Technology (TU/e), Germany, have managed to increase the efficiency of an important type of solar cell from 21.9 to 23.2 percent. The achieved this world record by applying an ultra-thin film of aluminum oxide (approximately thirty nanometers) on the front of a crystalline silicon solar cell. This film has an unprecedented high number of built-in negative charges, which ensure that the loss of energy on the surface – which is normally considerable – disappears.

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