Recent advances in making nano-sized TiO2 visible-light active through rare-earth metal doping
Recent advances in making nano-sized TiO2 visible-light active through rare-earth metal doping
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DOI：
10.1039/c0jm02271c
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发表时间：
2011-01-01
影响因子：
--
通讯作者：
Daoud, Walid A.
中科院分区：
文献类型：
--
作者：
Bingham, Sonny;Daoud, Walid A.
掺杂金属和非金属是促进二氧化钛可见光活性的一种流行技术。最近，稀土金属作为掺杂剂不仅在红移吸收方面显示出巨大的潜力，而且在改善TiO2光催化性能方面也显示出巨大的潜力。这篇专题文章讨论了通过稀土金属的单一掺杂和共掺杂使TiO2可见光被激活的最新进展。重点介绍了湿化学技术及其对二氧化钛的物相、吸附、比表面积和光催化活性的影响。还讨论了新的技术，如电纺、磁控溅射、共沉淀和络合，以及纳米管和物理载体的使用。
Doping with metals and non-metals is a popular technique that facilitates visible light activity of titanium dioxide. More recently, rare-earth metals have shown tremendous potential as dopants not only in red-shifting the absorption but also in improving the photocatalysis of TiO2. This feature article discusses recent developments in making TiO2 visible-light active through single and co-doping with rare earth metals. An emphasis is placed on wet chemical techniques and their associated effects on the phase, adsorption, surface area, and photocatalytic activity of TiO2. New techniques, such as electrospinning, magnetron sputtering, co-precipitation, and complexation, as well as the use of nanotubes and physical support are also discussed.