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首页> 外文期刊>Applied Surface Science >Visible-light-driven Titania Photocatalyst Co-doped With Nitrogen And Ferrum
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Visible-light-driven Titania Photocatalyst Co-doped With Nitrogen And Ferrum

机译：可见光驱动的掺有氮和铁的二氧化钛光催化剂

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摘要

Nitrogen and ferrum co-doped titania photocatalyst was prepared by the sol-gel route. The prepared photocatalyst was characterized by various techniques including X-ray diffraction (XRD), UV-vis diffusive reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), and N2 adsorption-desorption isotherm. The photocatalytic activity of the co-doped titania photocatalyst was evaluated by the degradation of methyl orange (MO) from aqueous solution under visible light irradiation and was compared with that of the commercial TiO_2 photocatalyst (Degussa P25). The results revealed that the nitrogen doping could lead to the response to visible light and that the ferrum doping could improve the photocatalytic performance. The effects of the component and the annealing temperature of the co-doped titania photocatalyst on the photocatalytic activity were investigated.
机译：通过溶胶-凝胶法制备了氮和铁共掺杂的二氧化钛光催化剂。通过多种技术对制得的光催化剂进行了表征，包括X射线衍射（XRD），紫外可见漫反射光谱（DRS），X射线光电子能谱（XPS）和N2吸附-脱附等温线。通过在可见光照射下从水溶液中甲基橙（MO）的降解来评估共掺杂二氧化钛光催化剂的光催化活性，并将其与市售TiO_2光催化剂（Degussa P25）进行比较。结果表明，氮掺杂可以导致对可见光的响应，而铁掺杂可以改善光催化性能。研究了共掺杂二氧化钛光催化剂的组成和退火温度对光催化活性的影响。

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