To enhance solar energy utilization efficiency, goal-directed design of architectures by combining nanocomponents of radically different properties, such as plasmonic, upconversion, and photocatalytic properties may provide a promising method to utilize the most energy in sunlight.
In this work, a new strategy was adopted to fabricate a series of plasmonic Ag nanoparticles decorated GdF3
, Tm3+[email protected]2
-shell ellipsoids, which exhibit high surface area, good stability, broadband absorption from
ultraviolet to near infrared, and excellent photocatalytic activity. The results showed that photocatalytic activities of the as-obtained photocatalysts was higher than that of pure GdF3
samples through the comparison of photodegradation rates of methyl orange under UV, visible, and NIR irradiation. The possible photocatalytic mechanism indicates that hydroxyl radicals and superoxide radical play a pivotal role in the photodegradation. Furthermore,
the materials also showed exceptionally high stability and reusability under UV, visible, and NIR irradiation. All these results reveal that core–shell hierarchical ellipsoids exhibit great prospects for developing efficient solar photocatalysts.
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Surface Plasmon Resonance;
Document Type: Research Article
College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun 113001, P. R. China
College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang, 110142, China
Publication date: December 1, 2018
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Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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