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    Enhanced photoelectrochemical hydrogen production efficiency of MoS2-Si heterojunction

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    oe-27-8-A352.pdf
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    Type
    Article
    Authors
    Alarawi, Abeer A. cc
    Ramalingam, Vinoth
    Fu, Hui-Chun cc
    Varadhan, Purushothaman
    Yang, Rusen
    He, Jr-Hau cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Nano Energy Lab
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    OSR-2016-CRG5-3005
    Date
    2019-03-18
    Online Publication Date
    2019-03-18
    Print Publication Date
    2019-04-15
    Permanent link to this record
    http://hdl.handle.net/10754/652852
    
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    Abstract
    Photoelectrochemical water splitting is one of the viable approaches to produce clean hydrogen energy from water. Herein, we report MoS2/Si-heterojunction (HJ) photocathode for PEC H2 production. The MoS2/Si-HJ photocathode exhibits exceptional PEC H2 production performance with a maximum photocurrent density of 36.33 mA/cm2, open circuit potential of 0.5 V vs. RHE and achieves improved long-term stability up to 10 h of reaction time. The photocurrent density achieved by MoS2/Si-HJ photocathode is significantly higher than most of the MoS2 coupled Si-based photocathodes reported elsewhere, indicating excellent PEC H2 production performance.
    Citation
    Alarawi A, Ramalingam V, Fu H-C, Varadhan P, Yang R, et al. (2019) Enhanced photoelectrochemical hydrogen production efficiency of MoS2-Si heterojunction. Optics Express 27: A352. Available: http://dx.doi.org/10.1364/OE.27.00A352.
    Sponsors
    King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR-2016-CRG5-3005), KAUST Sensor Initiative, KAUST Solar Center, KAUST Catalysis Center and KAUST baseline funding.
    Publisher
    The Optical Society
    Journal
    Optics Express
    DOI
    10.1364/OE.27.00A352
    Additional Links
    https://www.osapublishing.org/oe/abstract.cfm?uri=oe-27-8-A352
    ae974a485f413a2113503eed53cd6c53
    10.1364/OE.27.00A352
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Material Science and Engineering Program; KAUST Solar Center (KSC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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