High Photovoltaic Quantum Efficiency in Ultrathin van der Waals Heterostructures

High Photovoltaic Quantum Efficiency in Ultrathin van der Waals Heterostructures

We report experimental measurements for ultrathin (90%. By coupling electromagnetic simulations and experimental measurements, we show that pn WSe2/MoS2 heterojunctions with vertical carrier collection can have internal photocarrier collection efficiencies exceeding 70%.

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Veröffentlicht in:ACS nano 2017-07, Vol.11 (7), p.7230-7240
Hauptverfasser: Wong, Joeson, Jariwala, Deep, Tagliabue, Giulia, Tat, Kevin, Davoyan, Artur R, Sherrott, Michelle C, Atwater, Harry A
Format: Artikel
Sprache:eng
Schlagworte:
solar (photovoltaic), solid state lighting, phonons, thermal conductivity, electrodes - solar, materials and chemistry by design, optics, synthesis (novel materials), synthesis (self-assembly)
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Zusammenfassung:We report experimental measurements for ultrathin (90%. By coupling electromagnetic simulations and experimental measurements, we show that pn WSe2/MoS2 heterojunctions with vertical carrier collection can have internal photocarrier collection efficiencies exceeding 70%.
ISSN:1936-0851
1936-086X
DOI:10.1021/acsnano.7b03148