A novel metallophthalocyanine derivative, cobalt tetra (2,4-dichloro-1,3,5-triazine) aminophthalocyanine (Co-TDTAPc), was prepared and immobilized on cellulosic fiber by covalent bond to obtain a supported oxidation catalyst (Co-TDTAPc-F). Co-TDTAPc-F/H202 system based on phase-transfer catalytic oxidation for decomposing dyes, including acid, reactive, and direct dyes, has been investigated thoroughly. Compared to traditional adsorption technologies and advanced oxidation processes (AOPs) for dye treatment, Co-TDTAPc-F/H202 combines the advantages of both and is more efficient and more effective. Azo dyes such as C. I. Acid Red 1 (AR1) can be quickly adsorbed onto/into the fiber from aqueous solution and decomposed in situ simultaneously in the presence of Co-TDTAPc-F and H2O2. It has been found that the reaction process is not affected by the visible light. Furthermore, it turns the negative effect of NaCl normally observed in homogeneous catalysis into positive one. The catalytic reaction can proceed at a wide pH range from acidic to alkaline. In 60 min, more than 98% of AR1 was eliminated at initial pH 2. In 90 min, about 40% of the carbon was found mineralized as determined by the analysis of the residual total organic carbon. The high-performance liquid chromatography result indicated that a substantial amount of the starting AR1 was converted to other organic products, while gas chromatography/mass spectrometry analysis showed the rest of the carbon existed mainly as small molecular biodegradable aliphatic carboxylic compounds such as oxalic acid, malonic acid, and maleic acid, etc. Co-TDTAPc-F is stable, causes no secondary pollution, and remains efficient in repetitive test cycles with no obvious degradation of catalytic activity.

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D–A type dye exhibits high emission efficiency and ratiometric piezochromism behavior due to HLCT characteristics.

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In this paper, zinc tetraaminophthalocyanine (Zn-APc) was immobilized on cellulosic fiber by covalent bond to obtain a novel cellulosic fiber supported metallophthalocyanine, named Zn-TDTAPc-F. At pH 11, upon visible light irradiation for 6 h in the presence of O 2 , Zn-TDTAPc-F was found to be highly effective for the degradation of phenol in aqueous solution, and the degradation rate of phenol was more than 95%. HPLC was used to confirm formic acid, fumaric acid and maleic acid as its main degradation products.supported metallophthalocyanine catalyst, visible light, photo-degradation, phenol Phenolic compounds are typical hazardous and nonbiodegradable contaminants, which are commonly used as industrial chemicals and are by-products in many industrial productions. They can be found in the effluents of many industries, such as petroleum refining, petrochemicals, pharmaceuticals, organic chemicals manufacturing and printing, etc. The common treatment of these pollutants contains chemical oxidation, incineration, gasification, adsorption, biodegradation, solvent extraction, emulsion liquid membrane, etc. [1] However, these methods have the disadvantages of complicated operation procedures, high cost and low working efficiency, and it is urgent to develop a more suitable and eco-friendly method.Phthalocyanine compounds are widely used in many fields [2,3] because of their special properties, such as chemical stability, thermo, light, acid and alkaline resistance, and the application as effective catalysts [4][5][6] is of increasing interest. It was reported in literature that they were used as photosensitizers for the treatment of pollutants in wastewater [7,8] besides phenol compounds [9,10] due to their strong absorption in the range of visible light. While the small molecule phthalocyanines will enter into the environment to cause secondary pollution. Moreover, the efficiency of the catalyst is substantially affected by aggregation of the phthalocyanine complexes [11] .Cellulose is the most abundant natural organic polymer in nature, and the cellulosic fiber has some prominent advantages, such as its relatively low cost, high specific surface area and high stability, etc., so it is the preferable candidate as the support of the metallophthalocyanine catalyst.The efficiency of phthalocyanine complexes as photocatalysts for oxidation of organic compounds decreased because of its self-association, and phthalocyanine molecular cannot be recycled after treatment. To overcome the above disadvantages, a novel supported metallophthalocyanine, Zn-TDTAPc-F, was prepared by immobilizing zinc tetraaminophthalocyanine on cellu-