The Immobilization of Pt/WO₃ on the Glass Substrate for Methylene Blue Degradation

Abstract:

Platinum doped Tungsten Oxide (WO₃/Pt) has been successfully coated on the glass substrate using spray deposition method. Doping of Pt on WO₃ was carried out by phodeposition method. The amount of Pt was varied by weight fraction of 0%, 1%, 2%, 4%. These films were characterized using X-ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). It is found that the crystal structure of WO₃ was not change with the Pt addition. However, the dominant plane orientation and the size of crystal were influenced by Pt addition. The crystal size increases with increasing the amount of Pt. After Pt addition, the film morphology showed the presence of pillar structure. The photocatalytic activity test resulted that WO₃/Pt photocatalyst has the ability for degradation of methylene blue (MB) under sunlight irradion. Significantly, the maximum efficiency of photodegradation was observed at 4% Pt doping amount in the WO₃ sample.

• Periodical: Advanced Materials Research (Volume 1112)
• Pages: 188-193
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1112.188
• Online since: July 2015
• Authors: Iqbal Firdaus, Agus Purwanto, Hendri Widiyandari*
• Keywords: Photocatalytic Activity, Photodegradation, Platinum, Tungsten Oxide, Visible Light

References

[1] Z.G. Zao and M. Miyauchi, Nanoporous-walled tungsten oxide nanotubes as highly active visible-light-driven photocatalysts, Angew. Chem. Int. Ed 47 (2008) 7051–7055.

DOI: 10.1002/anie.200802207

[2] R. Asahi, T. Morikawa, T. Ohwaki, K. Aoki, and Y. Taga, Visible-light photocatalysis in nitrogen-doped titanium oxides, Science 293 (2001) 269–271.

DOI: 10.1126/science.1061051

[3] H. Irie, Y. Watanabe, and K. Hashimoto, Nitrogen-concentration dependence on photocatalytic activity of TiO2-xNx powders, J. Phys. Chem. B 107 (2003) 5483–5486.

DOI: 10.1021/jp030133h

[4] W. Morales, M. Cason, O. Aina, N.R. de Tacconi, and K. Rajeshwar, Combustion synthesis and characterization of nanocrystalline WO3, J. Am. Chem. Soc. 130 (2008) 6318–6319.

DOI: 10.1021/ja8012402

[5] D. Hidayat, A. Purwanto, W.N. Wang, and K. Okuyama, Preparation of size controlled tungsten oxide nanoparticles and evaluation of their adsorption performance, Mater. Res. Bull. 45 (2010) 165–173.

DOI: 10.1016/j.materresbull.2009.09.025

[6] D.J. Ham, A. Phuruangrat, S. Thongtem, and J.S. Lee, Hydrothermal synthesis of monoclinic WO3 nanoplates and nanorods used as an electrocatalyst for hydrogen evolution reactions from water, Chem. Eng. J. 165 (2010) 365–369.

DOI: 10.1016/j.cej.2010.09.003

[7] K. Takehara, K. Yamazaki, M. Miyazaki, Y. Yamada, S. Ruenphet, A. Jahangir, D. Shoham, M. Okamura, and M. Nakamura, Inactivation of avian influenza virus H1N1 by photocatalyst under visible light irradiation, Virus Res. 151 (2010) 102–103.

DOI: 10.1016/j.virusres.2010.03.006

[8] H. Widiyandari, A. Purwanto, R. Balgis, T. Ogi, and K. Okuyama, CuO/WO3 and Pt/WO3 nanocatalysts for efficient pollutant degradation using visible light irradiation, Chem. Eng. J. 180 (2012) 323– 329.

DOI: 10.1016/j.cej.2011.10.095

[9] R. Abe, H. Takami, N. Murakami, and B. Ohtani, Pristine simple oxides as visible light driven photocatalysts: highly efficient decomposition of organic compounds over platinum-loaded tungsten oxide, J. Am. Chem. Soc. 130 (2008) 7780–7781.

DOI: 10.1021/ja800835q

[10] S.M. Sun, W.Z. Wang, S.Z. Zeng, M. Shang, and L. Zhang, Preparation of ordered mesoporous Ag/WO3 and its highly efficient degradation of acetaldehyde under visible-light irradiation, J. Hazard. Mater. 178 (2010) 427–433.

DOI: 10.1016/j.jhazmat.2010.01.098

[11] Q. Xiang, G.F. Meng, H.B. Zhao, Y. Zhang, H. Li, W.J. Ma, and J.Q. Xu, Au nanoparticle modified WO3 nanorods with their enhanced properties for photocatalysis and gas sensing J. Phys. Chem. C 114 (2010) 2049–(2055).

DOI: 10.1021/jp909742d

[12] A. Purwanto, H. Widiyandari, T. Ogi and K. Okuyama, Role of particle size for platinum-loaded tungsten oxide nanoparticles during dye photodegradation under solar-simulated irradiation, Catal. Comm. 12 (2011) 525-529.

DOI: 10.1016/j.catcom.2010.11.020

[13] H. Widiyandari, A. Purwanto, V. G. S. Kadarisman., and I. Firdaus, Synthesis of tungsten oxide (wo3) film on glass substrate using aqueous based solution spray deposition method, Adv. Mater. Res.J. 896, (2014) 506-509.

DOI: 10.4028/www.scientific.net/amr.896.506

[14] Z. Xu, I. Tabata, K. Hirogaki, K. Hisad, T. Wang, S. Wang, and T. Hori, Preparation of platinum-loaded cubic tungsten oxide: A highly efficient visible light-driven photocatalyst, Mat. Lett. 65, (2011) 1252-1256.

DOI: 10.1016/j.matlet.2010.12.011

[15] H. Aliah, Immobilization of TiO2 on the surface of polypropylene granular polymer and its application as the photocatalyst on the methylene blue photodegradation, Ph.D. Thesis, Institut Teknologi Bandung (2012).