Enhanced photoelectrochemical hydrogen production efficiency of MoS2-Si heterojunction
AuthorsAlarawi, Abeer A.
KAUST DepartmentComputer, 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 NumberOSR-2016-CRG5-3005
Online Publication Date2019-03-18
Print Publication Date2019-04-15
Permanent link to this recordhttp://hdl.handle.net/10754/652852
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AbstractPhotoelectrochemical 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.
CitationAlarawi 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.
SponsorsKing 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.
PublisherThe Optical Society