N掺杂TiO<sub>2</sub>的制备和光催化性能*

材料研究学报

2013, Vol. 27

Issue (3): 247-251

研究论文

本期目录 | 过刊浏览

N掺杂TiO₂的制备和光催化性能*

郝栋姜春海杨振明张劲松

(中国科学院金属研究所沈阳 110016)

The Preparation of N-doped TiO₂and Its #br# Photocatalytic Property

HAO Dong JIANG Chunhai YANG Zhenming ZHANG Jinsong^**

(Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016)

引用本文:

郝栋,姜春海,杨振明,张劲松. N掺杂TiO₂的制备和光催化性能*[J]. 材料研究学报, 2013, 27(3): 247-251.
HAO Dong, JIANG Chunhai, YANG Zhenming, ZHANG Jinsong^**. The Preparation of N-doped TiO₂and Its #br# Photocatalytic Property[J]. Chinese Journal of Materials Research, 2013, 27(3): 247-251.

全文: PDF(2180 KB)

摘要:

以钛酸四丁酯、酚醛树脂、无水乙醇、冰醋酸、盐酸胍和P123为原料制备氮掺杂TiO₂, 采用XRD、 SEM、TEM、XPS、N₂吸附-脱附和UV-Vis等手段对其进行了表征。以对氨基苯磺酸为模型污染物, 研究了氮源加入量对氮掺杂氧化钛光催化性能的影响。结果表明, 所制备的样品为锐钛矿型TiO₂, 一次粒径约为13.7 nm, 二次粒径约为100 nm, 颗粒间有堆积的介孔；氮的掺杂使TiO₂在可见光区具有显著的吸收。随着N源加入量的提高, 在可见光区的吸收增强, 光催化效果也随之增强。

关键词 ：无机非金属材料, N掺杂TiO₂, 对氨基苯磺酸, 可见光光催化

Abstract：

N-doped TiO₂ was prepared by the quick polymerization of Tetrabutyltitanate and phenolic resin with solvent thermal reactions using tetrabutyltitanate, phenolic resin, absolute ethanol, acetic acid, guanidine hydrochloride (GHC) and P123. The N- doped TiO₂ was characterized by XRD, SEM, TEM, XPS, N₂ adsorption-desorption and UV-Vis. We also investigated the effect of GHC adding amount to the photocatalytic activity by taking 4- aminobenzenesulfonic acid as a model test. The results showed that the N-doped TiO₂ was composed of anatase phase with a particle size about 13.7 nm and the aggregate about 100 nm. There were lots of mesoporous between the particles. The doping of N element resulted in a red shift of the absorption edge. The absorption of visible light and photocatalytic activity of N-doped TiO₂ are promoted with the increase of the adding amount of nitrogen source.The result was consistent with the atom fraction in N-TiO₂ measured by XPS.

Key words： inorganic non- metallic materials N- doped TiO₂ 4- aminobenzenesulfonic acid visible light photocatalysis

收稿日期: 2013-04-19

ZTFLH:

TB383

基金资助:

国家科技支撑计划2011BAE03B07资助项目

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