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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Azevedo, Nuno Monteiro |
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Huertaflores, Ali M.
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article
Surface plasmon resonance excited electron induction greatly extends H<sub>2</sub> evolution and pollutant degradation activity of g‐C<sub>3</sub>N<sub>4</sub> under visible light irradiation
Abstract
<jats:title>Abstract</jats:title><jats:p>Energy crises and environmental pollution have sparked tremendous research work to handle their impacts. Herein, we fabricated Au/g‐C<jats:sub>3</jats:sub>N<jats:sub>4</jats:sub> nanocomposites to produce H<jats:sub>2</jats:sub> and degrade 2,4‐dichlorophenol (2,4‐DCP) under visible light and at different wavelengths. Interestingly, the optimized photocatalyst generated 114 μmol H<jats:sub>2</jats:sub> and degraded 25% 2,4‐DCP in 1 hr as compared with 10 μmol H<jats:sub>2</jats:sub> generation and 8% 2,4‐DCP degradation by pure g‐C<jats:sub>3</jats:sub>N<jats:sub>4</jats:sub>. This improvement is credited to the extended light absorption and improved charge induction from gold to g‐C<jats:sub>3</jats:sub>N<jats:sub>4</jats:sub> even at 590 nm as confirmed from photoluminescence, surface photovoltage, and photoelectrochemical study of the samples. Moreover, the surface catalytic property of g‐C<jats:sub>3</jats:sub>N<jats:sub>4</jats:sub> was much improved after loading a proper amount of gold nanoparticles. We hope that this technique to photosensitize semiconductors with noble metal nanoparticles may provide a feasible way to construct surface plasmon resonance‐assisted photocatalysts to cope with energy crises and environmental pollution simultaneously.</jats:p>