Visible-light self-cleaning cotton by metalloporphyrin-sensitized photocatalysis

被引：30

作者：

Afzal, Shabana ^{[1
]}

Daoud, Walid A. ^{[2
]}

Langford, Steven J. ^{[3
]}

机构：

[1] Monash Univ, Sch Appl Sci & Engn, Churchill 3842, Australia

[2] City Univ Hong Kong, Sch Energy & Environm, Kowloon, Hong Kong, Peoples R China

[3] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia

来源：

APPLIED SURFACE SCIENCE | 2013年 / 275卷

关键词：

Visible-light photocatalysis; Porphyrin; Titanium dioxide; Self-cleaning; EFFICIENT DEGRADATION; TIO2; PORPHYRIN; 4-NITROPHENOL; PROPERTY; WATER;

D O I：

10.1016/j.apsusc.2013.01.141

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Thin films of meso-tetra(4-carboxyphenyl) porphyrin with different metal centres (MTCPP, M = Fe, Co and Zn) in combination with anatase TiO2 have been formed on cotton fabric. Their self-cleaning properties have been evaluated by conducting the photocatalytic degradation of methylene blue under visible-light irradiation. All MTCPP/TiO2-coated cotton fabrics showed superior self-cleaning performance as compared to the bare TiO2-coated cotton. Among the three metal porphyrins, FeTCPP showed the highest photocatalytic activity with complete degradation of methylene blue in 180 min. The fabrics were characterized by FESEM, XRD, UV-vis and fluorescence spectroscopy. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：36 / 42

页数：7

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