Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 186, Issue -, Pages 143-150Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2015.12.027
Keywords
Au/graphene/BiVO4; Forster resonant energy transfer; Near-field electromagnetic energy transfer; Photocatalysis; SPR
Funding
- National Natural Science Foundation of China [21473031, 21173046, 21273035]
- National Basic Research Program of China (973 Program) [2013CB632405]
- National Key Technologies R & D Program of China [2014BAC13B03]
- Science & Technology Plan Project of Fujian Province [2014Y2003]
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Forster resonant energy transfer (FRET) is critical hindrance for improving the solar-energy-conversion efficiency via the near-field electromagnetic energy transfer (NEET) mechanism in the plasmonic nanostructure-involved photocatalysts. Herein, a plasmonic nanoparticle/graphene/semiconductor ternary model system is fabricated successfully. In this fabrication, the thin graphene (RGO) layer covers completely the semiconductor with different facets exposed, and the plasmonic nanoparticles are separated from the semiconductor in a proper distance. This unique architecture raises a new opportunity to optimize surface plasmon resonance (SPR) effect in plasmonic nanostructure-involved photocatalysts by the dual modulation of interfacial layer's thickness and fluorescent frequency, resulting a tremendous improvement in the rates of photocatalytic reactions. Furthermore, this predictive model provides a new idea for the design of high-efficient photocatalysts and may upper limits of SPR-mediated enhancement of photocatalytic performance for plasmonic nanostructure-involved photocatalysts. (C) 2015 Elsevier B.V. All rights reserved.
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