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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Malgras, Victor
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article
Photodegradation Activity of Poly(ethylene oxide-b-<i>ε</i>-caprolactone)-Templated Mesoporous TiO<sub>2</sub> Coated with Au and Pt
Abstract
<jats:p>Mesoporous TiO<jats:sub>2</jats:sub> films are synthesized through evaporation-induced self-assembly using poly(ethylene oxide-<jats:italic>b-ε</jats:italic>-caprolactone) diblock copolymers as a soft-template. Using small-angle X-ray scattering and scanning electron microscopy, we investigate the effect ofthe TiO<jats:sub>2</jats:sub>/PEO-<jats:italic>b</jats:italic>-PCL ratio on the resulting nanoarchitectonic structure. After sputter-coating Au and Pt layers, these Au/TiO<jats:sub>2</jats:sub> and Pt/TiO<jats:sub>2</jats:sub> nanocomposite films display drastically enhanced photodegradation of rhodamine 6G under ultraviolet irradiation,due to the metal films inhibiting the rapid recombination of photogenerated charge carriers.</jats:p>