Synthesis of N and Al Co-doped TiO2 Particles with Visible Light Degradation Property via Solid State Reaction Route

›› 2011, Vol. 11 ›› Issue (2): 336-342.

• 材料工程专栏 • Previous Articles Next Articles

Synthesis of N and Al Co-doped TiO2 Particles with Visible Light Degradation Property via Solid State Reaction Route

JIANG Tian-zhi LIU Shao-you FENG Qing-ge LONG Bu-ming，

Institute of Applied Chemistry, Kaili University Institute of Applied Chemistry, Kaili University Institute of Applied Chemistry, Kaili College College of Chemistry and Chemical Engineering, Guangxi University

Received:2011-01-17 Revised:2011-03-22 Online:2011-04-20 Published:2011-04-20
Contact: JIANG Tian-zhi

N和Al共掺杂TiO2粉体的固相合成及可见光降解性能

蒋天智刘少友唐文华龙步明

凯里学院应用化学研究所凯里学院应用化学研究所凯里学院应用化学研究所广西大学化学化工学院

通讯作者: 蒋天智

Abstract

Abstract: N and Al co-doped TiO2 (N-Al-TiO2) particles were successfully synthesized via a solid-state reaction route. Their properties were characterized by XRD, N2 adsorption-desorption, UV-Vis and XPS. The photodegradation of neutral red (NR) on the N-Al-TiO2 material irradiated with visible light was investigated. The XPS results clearly show that both N and Al have been incorporated into the lattice of TiO2. The N?Ti?O and Ti?O?Al bonds formed by lattice substitution and Ti?N?O and Ti?O?N bonds configured by interstitial doping on the N-Al-TiO2 material surface are presented. Compared with pure TiO2, the photodegradation properties of NR on the N-Al-TiO2 shows excellent visible light catalytic properties, the degradation rate of NR is 95.8% in 2 h, and the degradation process of NR follows the principle of pseudo-first-order reaction.

Key words: N and Al co-doping, titanium dioxide, solid state reaction, neutral red, visible light degradation

摘要： 采用固相反应法合成了N与Al共掺杂TiO2 (N-Al-TiO2)粉体材料，利用XRD, UV-Vis, N2吸附及XPS等对其进行了物相织构表征，并研究了可见光辐照下催化剂对中性红的降解性能. 结果表明，N和Al均进入TiO2晶格或晶格间隙，材料表面不仅存在替位取代形成的N?Ti?O与Ti?O?Al键，且存在间隙掺杂形成的Ti?N?O与Ti?O?N键. 与纯TiO2相比，N-Al-TiO2对中性红显示出很高的可见光降解活性，2 h内中性红的降解率为95.8%，降解过程服从一级反应动力学规律.

关键词: 氮与铝共掺杂, 二氧化钛, 固相反应, 中性红, 可见光降解

CLC Number:

O643，TB32.1

JIANG Tian-zhi LIU Shao-you FENG Qing-ge LONG Bu-ming;. Synthesis of N and Al Co-doped TiO2 Particles with Visible Light Degradation Property via Solid State Reaction Route[J]. , 2011, 11(2): 336-342.

蒋天智刘少友唐文华龙步明. N和Al共掺杂TiO2粉体的固相合成及可见光降解性能[J]. , 2011, 11(2): 336-342.

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Synthesis of N and Al Co-doped TiO2 Particles with Visible Light Degradation Property via Solid State Reaction Route

N和Al共掺杂TiO2粉体的固相合成及可见光降解性能

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