Hot carrier extraction from 2D semiconductor photoelectrodes

Hot carrier extraction from 2D semiconductor photoelectrodes

Hot carrier-based energy conversion systems could double the efficiency of conventional solar energy technology or drive photochemical reactions that would not be possible using fully thermalized, ``cool'' carriers, but current strategies require expensive multi-junction architectures. Usi...

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Veröffentlicht in:arXiv.org 2022-10
Hauptverfasser: Austin, Rachelle, Farah, Yusef, Sayer, Thomas, Luther, Brad M, Montoya-Castillo, Andrés, Krummel, Amber, Sambur, Justin
Format: Artikel
Sprache:eng
Schlagworte:
Absorption spectroscopy
Charge transfer
Charge transport
Coupling
Current carriers
Energy conversion
Energy technology
Excitons
Molybdenum disulfide
Photochemical reactions
Photovoltaic cells
Physics - Chemical Physics
Physics - Materials Science
Physics - Mesoscale and Nanoscale Physics
Solar cells
Solar energy
Spatial distribution
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Zusammenfassung:Hot carrier-based energy conversion systems could double the efficiency of conventional solar energy technology or drive photochemical reactions that would not be possible using fully thermalized, ``cool'' carriers, but current strategies require expensive multi-junction architectures. Using an unprecedented combination of photoelectrochemical and in situ transient absorption spectroscopy measurements, we demonstrate ultrafast (
ISSN:2331-8422
DOI:10.48550/arxiv.2210.13588