Journal
APPLIED PHYSICS LETTERS
Volume 112, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5025737
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Funding
- National Natural Science Foundation of China [11774249]
- Natural Science Foundation of Jiangsu Province [BK20171209]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Bismuth vanadate (BiVO4) has been considered as one of the promising Photoelectrochemical (PEC) photoanode materials. However, the performances remain poorly rated due to inefficient carrier separation, short carrier diffusion length, and sluggish water oxidation kinetics. Herein, a photoanode consisting of MoS2 nanosheet coating on the three-dimensional ordered BiVO4 inverse opal is fabricated by a facile combination of nanosphere lithography and hydrothermal methods. By taking advantage of the photonic crystal and two-dimensional material, the optimized MoS2/BiVO4 inverse opal photoanode exhibits a 560% improvement of the photocurrent density and threefold enhancement of the incident photon-to-current efficiency than that of the pristine BiVO4 film photoanode. Systematic studies reveal that the excellent PEC activity should be attributed to enhanced light harvesting and charge separation efficiency. Published by AIP Publishing.
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