Novel axial substituted subphthalocyanine and its TiO2 photocatalyst for degradation of organic water pollutant under visible light
| Autor: | Xiaoxun Ma, Bing-Bing Zhang, Zhuo Li, Fen-Yan Zhang, Wei Wang, Guo-Yi Cui, Bing Wang, Hai-Xia Ma |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Materials science
Nanocomposite Organic Chemistry Nanoparticle Bromophenol blue 02 engineering and technology Electronic structure 010402 general chemistry 021001 nanoscience & nanotechnology Photochemistry 01 natural sciences Atomic and Molecular Physics and Optics 0104 chemical sciences Electronic Optical and Magnetic Materials Inorganic Chemistry chemistry.chemical_compound chemistry Photocatalysis Methyl orange Degradation (geology) Electrical and Electronic Engineering Physical and Theoretical Chemistry 0210 nano-technology Spectroscopy Visible spectrum |
| Zdroj: | Optical Materials. 109:110202 |
| ISSN: | 0925-3467 |
| DOI: | 10.1016/j.optmat.2020.110202 |
| Popis: | In this study, highly reactive TiO2 modified by a novel axial substituted subphthalocyanine H12SubPcB-OPHCOOH (SubPc) was successfully prepared. TiO2/SubPc nanoparticles had been fabricated via a Solvothermal method. The approaches of DFT and TD-DFT were utilized to research the electronic structure and optical spectra in the subphthalocyanines. The photocatalytic abilities of the present nanocomposites were investigated by degrading the methyl orange (MO) and bromophenol blue (BB) in irradiance of visible light. The removal efficiency of MO and BB over TiO2/SubPc (25:1) was 5.28 and 1.41 times higher than pure TiO2, respectively. Furthermore, the reusability studies showed that the photocatalytic activity of TiO2/SubPc could be maintained over 85% after 5 recycles. |
| Databáze: | OpenAIRE |
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