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	Fe、N共掺杂TiO2纳米管阵列的制备及可见光光催化活性; Preparation and Visible Light Photocatalytic Activity of Fe-N Codoped TiO2 Nanotube Arrays
	吴奇 ; 苏钰丰 ; 孙岚 ; 王梦晔 ; 王莹莹 ; 林昌健
	2012-03
关键词	Fe和N 共掺杂 TiO2纳米管阵列 罗丹明B 可见光
英文摘要	Corresponding author. Email: sunlan@xmu.edu.cn; Tel: +86-10-2184655; [中文文摘]应用电化学阳极氧化法结合浸渍和退火后处理制备了Fe和N共掺杂的TiO2纳米管阵列光催化剂,并用场发射扫描电镜(FESEM)、X射线衍射(XRD)、X射线光电子能谱(XPS)和俄歇电子能谱(AES)仪对其进行了表征.结果表明,Fe、N共掺杂对TiO2纳米管阵列的形貌和结构没有明显影响,Fe和N均掺入了TiO2晶格.紫外-可见(UV-Vis)漫反射光谱显示Fe和N共掺杂TiO2纳米管阵列的吸收带边较纯TiO2纳米管阵列和单一掺杂TiO2纳米管阵列红移,可见光吸收增强.以可见光催化降解罗丹明B(RhB)考察了材料的光催化活性,Fe和N共掺杂TiO2纳米管阵列对RhB的降解速率较纯TiO2纳米管阵列和单一掺杂TiO2纳米管阵列明显提高,证明了Fe、N共掺杂产生的协同效应提高了TiO2纳米管阵列在可见光照射下的光催化活性. [英文文摘]Fe-N codoped TiO2 nanotube arrays were fabricated by anodization of Ti, followed by wet immersion and annealing post-treatment. The doped TiO2 nanotube array photocatalysts were characterized by field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Auger electron spectroscopy (AES). The results indicated that Fe and N dopants had almost no effect on the morphology and structure of TiO2 nanotube arrays, and that Fe and N were doped into the TiO2 lattice. UV-Vis diffuse reflectance spectra showed that the absorption band edge of Fe-N codoped TiO2 nanotube arrays exhibited a red shift compared with that of pure TiO2 nanotube arrays and Fe- or N-doped TiO2 nanotube arrays. The photocatalytic activity of Fe-N codoped TiO2 nanotube arrays was evaluated by their ability to degrade rhodamine B under visible light irradiation. The degradation rate of rhodamine B over Fe-N codoped TiO2 nanotube arrays was obviously higher than that over pure TiO2 nanotube arrays and Fe- or N-doped TiO2 nanotube arrays, which is attributed to the synergistic effect of the Fe and N codopants.; 国家自然科学基金(51072170,21021002);福建省自然科学基金(2011J01057);国家基础科学人才培养基金(J1030415)资助项目
语种	中文
出版者	《物理化学学报》编辑部
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/14517]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	吴奇,苏钰丰,孙岚,等. Fe、N共掺杂TiO2纳米管阵列的制备及可见光光催化活性, Preparation and Visible Light Photocatalytic Activity of Fe-N Codoped TiO2 Nanotube Arrays[J],2012.
APA	吴奇,苏钰丰,孙岚,王梦晔,王莹莹,&林昌健.(2012).Fe、N共掺杂TiO2纳米管阵列的制备及可见光光催化活性..
MLA	吴奇,et al."Fe、N共掺杂TiO2纳米管阵列的制备及可见光光催化活性".(2012).

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