Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 188, Issue -, Pages 147-153Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2016.02.002
Keywords
Photocatalysis; Plasmon (SPR); Broadband; Solar; Stearic acid
Funding
- Research Foundation-Flanders (FWO)
- IWT
- European Research Council (ERC) through the ERC grant [335078]
- Flemish government
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We propose the concept of a 'rainbow' photocatalyst that consists of TiO2 modified with gold-silver alloy nanoparticles of various sizes and compositions, resulting in a broad plasmon absorption band that covers the entire UV-vis range of the solar spectrum. It is demonstrated that this plasmonic 'rainbow' photocatalyst is 16% more effective than TiO2 P25 under both simulated and real solar light for pollutant degradation at the solid-gas interface. With this we provide a promising strategy to maximize the spectral response for solar to chemical energy conversion. (C) 2016 Elsevier B.V. All rights reserved.
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