Visible-light-driven Photodegradation of Commercial Dyes by the Cooperation of Co-doped TiO2 Material

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Published: Oct 2, 2019
Keywords:
Co-doped TiO2; Photocatalyst; co-precipitation method

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Russameeruk Noonuruk
Division of Physics, Faculty of Science and Technology, Rajamagala University of Technology Thanyaburi, Pathum Thani, Thailand
Chakkaphan Wattanawikkam*
Division of Physics, Faculty of Science and Technology, Rajamagala University of Technology Thanyaburi, Pathum Thani, Thailand

Abstract

The Co-doped TiO2 photocatalysts with various contents of Co were fabricated by co-precipitation method combined with calcinations at 500°C. Two different dyes of rhodamine b and methylene blue were used to evaluate the photocatalytic performance of the prepared samples. The different concentration of Co has significant influence on structural, morphological, optical properties as well as photocatalytic activity of TiO2 catalyst. The XRD diffraction patterns of all samples exhibit the anatase phase. X-ray photoelectron spectroscopy technique was used to investigate the chemical state of prepared samples. The BET measurement shows larger specific surface area of doped samples than that of pure TiO2. The incorporation of Co ions into TiO2 results in the red-shift in photo-absorption of samples toward visible region. The photocatalytic activities on rhodamine b and methylene blue dyes degradation clearly show that the performance of photodegradation highly depends on the concentration of dopant contents and type of organic dyes. The Co-doped TiO2 sample with 3% of Co dopant concentration exhibited superior photodegradation rate under visible light illumination in both of rhodamine b and methylene blue dyes. The influences of dopant ions and concentration on physical properties, optical absorption and photocatalytic activity on TiO2 are also discussed.
 
Keywords: Co-doped TiO2; Photocatalyst; co-precipitation method

*Corresponding author: Tel.: +66838744045


                                           E-mail: chakkaphan_w@rmutt.ac.th


 

Article Details

Issue
Vol. 20 No. 1 (2020)
Section
Original Research Articles

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References

Ahmed, S., Rasul, M.G., Brown, R. and Hashib, M.A., 2011. Influence of parameters on the heterogeneous photocatalytic degradation of pesticides and phenolic contaminations and waste water. Journal of Environmental Management, 92, 311-330.

Hoffmann, M.R., Martin, S.T., Choi, W. and Bahnemann, D.W., 1995. Environmental Application of semiconductor photocatalysis. Chemical Reviews, 95, 69-96.

Litter, M.I., 1999. Heterogeneous photocatalysis: Transition metal ion in photocatalytic system. Applied Catalysis B: Environmental, 23, 89-114.

Choi, J., Park H. and Hoffmann, M.R., 2010. Effects of single metal-doping on visible light photoreactivity of TiO2. Journal of Physical Chemistry C, 114, 783-792.

Ananpattarachai, J. and Kajitvichyanukul, P., 2016. Enhancement of chromium removal efficiency on adsorption and photocatalytic reduction using a bio-catalyst, titania-impregnated chitosan/xylan hybrid film. Journal of Cleaner Production, 130, 126-136.

Chauhan, R., Kumar, A. and Chaudhary, R.P., 2012. Structural and photocatalytic studies of Mn doped TiO2 nanoparticles. Spectrochemica Acta Part A: Molecular and Biomolecular Spectroscopy, 98, 256-264.

Moradi, H., Eshaghi, A., Hosseini, S.R. and Ghani, K., 2016. Fabrication of Fe-doped TiO2 nanoparticles and investigation of photocatalytic decolorization of reactive red 198 under visible light irradiation. Ultrasonic Sonochemistry, 32, 314-319.

Junlabut, P., Wattanawikkam, C., Phoohinkong, W., Mekprasart, W. and Pecharapa, W., 2016. Effect of cobalt on structural and optical properties of co-precipitated TiO2 nanopowders. Key Engineering Materials. 675/676, 97-100.

Yadav, H.M., Otari, S.V., Bohara, R.A., Mali, S.S., Pawar, S.H. and Delekar, S.D., 2014. Synthesis and visible light photocatalytic antibacterial activity of nickel-doped TiO2 nanoparticles against Gram-positive and Gram-negative bacteria. Journal of Photochemistry and Photobiology A: Chemistry, 294, 130-136.

Wattanawikkam, C., Pecharapa, W. and Ishihara, K. N., 2017. X-ray absorption spectroscopy analysis and magnetic properties of M-doped TiO2 nanoparticles (M=Co, Mn, Ni and Zn) prepared by co-precipitation method. Ceramics International, 43, S397-S402.

Singla, P., Sharma, M., Pandey, O.P. and Singh, K., 2014. Photocatalytic degradation of azo dyes using Zn-doped and undoped TiO2 nanoparticles. Applied Physics, 116, 371-389.

Reddy, S., Boningari, T. and Suidan, M., 2014. Visible-light-induced photodegradation of gas phase acetonitrile using aerosol-made transition metal ion (V, Cr, Fe, Co, Mn, Mo, Ni, Cu, Y, Ce and Zr) doped TiO2. Applied Catalysis B: Environmental, 114, 333-342.

Tripathi, A.K., Mathpal, M.C., Kumer, P., Singh, M.K., Soler, M.A.G. and Garwal, A.A, 2015. Structural, optical and photoconductivity of Sn and Mn doped TiO2 nanoparticles. Journal of Alloys and Compounds, 622, 37-47.

Park, J.Y., Choi, K.I., Lee, J.H., Hwang, C.H., Choi, D.Y. and Lee, J.W., 2013. Fabrication and characterization of metal-doped TiO2 nanofibers for photocatalytic reactions. Materials Letters, 97, 64-66.

Jing, L., Xin, B., Yuan, F., Xue, L., Wang, B. and Fu, H., 2006. Effect of surface oxygen vacancy on photochemical and photochemical processes of Zn-doped TiO2 nanoparticles and their relationships. Journal of Physical Chemistry B, 110, 17860-17865.

Devi, L G., Kottam, N., Murthy, B. N. and Kumar, S. G., 2010. Enhanced photocatalytic activity of transition metal ions Mn2+, Ni2+ and Zn2+ doped polycrystalline titania for the degradation of Aniline Blue under UV/solar light. Journal of Molecular Catalysis A: Chemical, 328, 44-52.

Nagaveni, K. K., Hegde, M.S. and Madras, G., 2004. Structural and photocatalytic activity of Ti1-xMxO2+/-delta (M=W, V, Ce, Zr, Fe, and Cu) synthesized by solution combustion method. The Journal of Physical Chemistry B, 108, 20204-20212.

Tan, B. J., Klabunde, K.J., and Peter, M. A., 1991. XPS studies of solvated metal atom dispersed catalysts. evidence for layered cobalt-manganese particles on alumina and silica. Journal of the American Chemical Society, 133, 855-581.

Pirbazari, A.E., Monazzam, P.P. and Kisomi, B.F., 2017. Co/TiO2 nanoparticles: preparation, characterization and its application for photocatalytic degradation of methylene blue. Desalination and Water Treatment, 63, 283-292.

Lee, H., Park, Y.K., Kim, S.J., Kim, B.H. and Jung, S.C., 2015. Titanium dioxide modification with cobalt oxide nanoparticles for photocatalysis. Journal of Industrial and Engineering Chemistry, 32, 259 -263.

Jiang, P., Xiang, W., Kuang, J., Liu, W. and Cao, W., 2015. Effect of cobalt doping on the electronic, optical and photocatalytic properties of TiO2, Solid State Sciences, 46, 27-32.