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Plasmonic W18O49-photosensitized TiO2 nanosheets with wide-range solar light harvesting

机译:等离子W 18 O 49 光敏化TiO 2 纳米片,具有宽范围的太阳光收集

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The search for photocatalytic materials that can harvest a wide spectrum of solar light, from ultraviolet (UV) to near infrared (NIR) regions remains one of the most challenging missions. Here, by in situ growing plasmonic W18O49 nanocrystals on TiO2 nanosheets with exposed {001} facets, a hybrid photocatalyst with broad spectrum photocatalytic properties has been fabricated, which can harvest UV, visible, and NIR light to decompose organic contaminants. The results present a new concept that plasmonic transition-metal oxides with a high concentration of oxygen vacancies can be used as non-noble metal photosensitizers to design efficient photocatalysts with high activity.
机译:寻找能够收集从紫外线(UV)到近红外(NIR)区域的广泛太阳光的光催化材料仍然是最具挑战性的任务之一。在这里,通过原位在TiO <>上生长等离子W 18 O 49 纳米晶体带有暴露的{001}面的small> 2 纳米片,已制备出具有广谱光催化性能的杂化光催化剂,可以收集紫外线,可见光和近红外光来分解有机污染物。结果提出了一个新概念,即具有高氧空位浓度的等离激元过渡金属氧化物可用作非贵金属光敏剂,以设计具有高活性的高效光催化剂。

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