Abstract
Thin films of meso-tetra(4-carboxyphenyl)porphyrinato copper(II) (CuTCPP) in conjunction with anatase TiO2 have been formed on cotton fabric. Their self-cleaning properties have been investigated by conducting photocatalytic degradation of methylene blue, coffee and wine stains under visible-light irradiation. CuTCPP/TiO2-coated cotton fabrics showed superior self-cleaning performance when compared to bare TiO2-coated cotton. Furthermore, CuTCPP/TiO2-coated fabrics showed significant photostability under visible-light as compared to free base TCPP/TiO 2-coated fabrics. The fabrics were characterized by FESEM, XRD and UV-vis spectroscopy. An insight into the mechanistic aspects of the CuTCPP/TiO2 photocatalysis is also discussed. Visible-light driven self-cleaning cotton based on copper(II) porphyrin/TiO2 catalyst exhibits significant potential in terms of stability and reproducibility for self-cleaning applications. © 2013 American Chemical Society.
| Original language | English |
|---|---|
| Pages (from-to) | 4753-4759 |
| Journal | ACS Applied Materials and Interfaces |
| Volume | 5 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 12 Jun 2013 |
Research Keywords
- dye-sensitization
- photocatalysis
- porphyrin
- self-cleaning textiles
- titania
- visible-light
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