Preparation of TiO2 Photocatalyst Modified by meso-5,10,15,20- Tetrakis(2-thienyl) Metalloporphyrins and Their Photocatalytic Activities

doi:10.6023/A1105101

Acta Chimica Sinica ›› 2011, Vol. 69 ›› Issue (23): 2821-2826.DOI: 10.6023/A1105101 Previous Articles Next Articles

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5,10,15,20-四(2-噻吩基)金属卟啉修饰TiO₂光催化剂的制备及光催化性能

刘惊宙¹, 马汪洋¹李珺*^,1, 姚桂平¹, 罗云¹, 张逢星¹, 王君龙²

(¹合成与天然功能分子教育部重点实验室西北大学化学与材料科学学院西安 710069)
(²渭南师范学院渭南 714000)

投稿日期:2011-05-10 修回日期:2011-06-06 发布日期:2011-07-29
通讯作者: 李珺 E-mail:junli@nwu.edu.cn
基金资助:
金属卟啉修饰二氧化钛光催化剂的研制及光催化性能研究;金属卟啉敏化纳米TiO2可见光催化剂的研制

Preparation of TiO_{2 Photocatalyst Modified by meso-5,10,15,20- Tetrakis(2-thienyl) Metalloporphyrins and Their Photocatalytic Activities}

Liu Jingzhou¹; Ma Wangyang*^,1; Li Jun¹; Yao Guiping¹; Luo Yun¹; Zhang Fengxing¹; Wang Junlong²

(¹Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, The College of Chemistry and Material Science, Northwest University, Xian 710069) (²Wei Nan Teachers University, Wei Nan 714000)

Received:2011-05-10 Revised:2011-06-06 Published:2011-07-29
Supported by:
Study on preparation and photocatalytic properties of titanium dioxide modified by metalloporphyrins

meso-5,10,15,20-Tetrakis(2-thienyl) porphyrin (H₂TTP) and its corresponding Co(II), Cu(II), Zn(II) metalloporphyrins were synthesized, then we used metalloporphyrins as photosensitizer, corresponding pohotocatalysts (CoTTP-TiO₂, CuTTP-TiO₂, ZnTTP-TiO₂) were prepared and characterized by SEM, XPS, diffuse reflectance, FT-IR (KBr). The photocatalytic activity of photocatalysts were investigated by the experiment of photodegradation of 4-nitrophenol (4-NP) in aqueous solution using 300 W high-pressure mercury lamp and 400 W metal halide lamp as light source respectively. These photocatalysts have higher photocatalytic activity compared with bare titanium dioxide, and the photocatalytic reaction accords with the first-order kinetic equation.

Key words: thienyl-appended porphyrin, metalloporphyrin, titanium dioxide, photocatalytic degradation, 4-nitrophenol

CLC Number:

0643.36

Cite this article

LIU Jing-Zhou, MA Wang-Yang, LI Jun, YAO Gui-Ping, LUO Yun, ZHANG Feng-Xing, WANG Jun-Long. Preparation of TiO_{2 Photocatalyst Modified by meso-5,10,15,20- Tetrakis(2-thienyl) Metalloporphyrins and Their Photocatalytic Activities}[J]. Acta Chimica Sinica, 2011, 69(23): 2821-2826.

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5,10,15,20-四(2-噻吩基)金属卟啉修饰TiO₂光催化剂的制备及光催化性能

Preparation of TiO_{2 Photocatalyst Modified by meso-5,10,15,20- Tetrakis(2-thienyl) Metalloporphyrins and Their Photocatalytic Activities}

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5,10,15,20-四(2-噻吩基)金属卟啉修饰TiO2光催化剂的制备及光催化性能

Preparation of TiO2 Photocatalyst Modified by meso-5,10,15,20- Tetrakis(2-thienyl) Metalloporphyrins and Their Photocatalytic Activities

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5,10,15,20-四(2-噻吩基)金属卟啉修饰TiO₂光催化剂的制备及光催化性能

Preparation of TiO_{2 Photocatalyst Modified by meso-5,10,15,20- Tetrakis(2-thienyl) Metalloporphyrins and Their Photocatalytic Activities}