Solar hydrogen generation: Exceeding 100% efficiency

Mikhail Zamkov ()
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Mikhail Zamkov: Mikhail Zamkov at the Center for Photochemical Sciences, Bowling Green State University

Nature Energy, 2017, vol. 2, issue 5, 1-2

Abstract: Multiple exciton generation, in which two electron–hole pairs are generated from the absorption of one high-energy photon, has been demonstrated to improve efficiency in quantum-dot-based solar cells. Now, a photoelectrochemical system using PbS quantum dots is shown to drive hydrogen evolution with external quantum efficiency over 100%.

Date: 2017
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DOI: 10.1038/nenergy.2017.72

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