Photocatalytical Activities of Manganese Doped Zinc Oxide Nanoparticles Prepared by Sol-Gel Method
Keywords:
ZnO nanoparticles, Mn doping, band gap, photocatalysis
Abstract
In the last period, ZnO and doped ZnO nanoparticles are intensively investigated for their photocatalytic properties. This paper reports on ZnO and Mndoped ZnO nanoparticles obtained by modified sol-gel method. Were studied the structural and optical properties by using x-ray diffraction (XRD) data and visible absorbtion spactra.
The photocatalytic activity of nanoparticles was investigated based on the degradation of the Methylene Blue (MB) dye solution. The results showed that Mn doping enhanced the photocatalytic activity of ZnO nanoparticles.
References
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[2]. P.C. Maness, S. Smolinski, D.M. Blake, Z. Huang, E.J. Wolfrum, W.A. Jacoby, Bactericidal activity of photocatalytic TiO2 reaction: toward an understanding of its killing mechanism, Appl. Environ. Microbiol. 65 (1999) 4094-4098.
[3]. Z. Huang, P.C. Maness, D. Blake, E.J. Wolfrum, S.L. Smolinski, W.A. Jacoby, Bactericidal mode of titanium dioxide photocatalysis? J. Photochem. Photobiol. A 130 (2000) 163-172.
[4]. T. Bak, J. Nowotny, M. Rekas, C.C. Sorrell, Photoelectrochemical hydrogen generation from water using solar energy. Materials-related aspects, Int. J. Hydrogen Energy 27 (2002) 1022-27991.
[5]. X.Z. Li, F.B. Li, Study of Au/Au3+–TiO2 photocatalysts toward visible photo-oxidation for water and wastewater treatment, J. Enivron. Sci. Technol. 35 (2001) 2381-2387.
[6]. E.R. Carraway, A.J. Hoffman, M. Hoffmann, Environ. Sci. Technol. 28 (1994) 786-793.
[7]. I. Poulios, D. Makri, X. Prohaska, Photocatalytic treatment of olive milling waste water, oxidation of protocatechuic acid, global nest, Int. J. 1 (1999) 55-62.
[8]. B. Pall, M. Sharon, Enhanced photocatalytic activity of highly porous ZnO thin films prepared by sol–gel process, Mater. Chem. Phys. 76 (2002) 82-87.
[9]. K.Y. Jung, Y.C. Kang, S.B. Park, Photodegradation of trichloroethylene using nanometre-sized ZnO particles prepared by spray pyrolysis, J. Mater. Sci. Lett. 16 (1997) 1848-1849.
[10]. S. Sakthivel, B. Neppolian, M.V. Shankar, B. Arabindoo, M. Palanichamy, V. Murugesan, Solar Energy Solar Cells 77 (2003) 65-82.
[11]. R. Wang, J.H. Xin, Y. Yang, H. Liu, L. Xu, J. Hu, The characteristics and photocatalytic activities of silver-doped ZnO nanocrystallites, Appl. Surf. Sci. 227 (2004) 312-317.
[12]. K. Vanhesuden, W. L. Warren, J. A. Voigt, C. H. Seager, D.R. Tallant, Impact of Pb doping on the optical and electronic properties of ZnO powders, Appl. Phys. Lett. 67 (1995) 1280-1282.
[13]. Spanhel, L., Anderson, M. A., J. Am. Chem. Soc. 1991, 113, 2826.
[14]. ***, Jayant Dharma-PerkinElmer Technical Center; Aniruddha Pisa-Global Application Laboratory PerkinElmer, Inc. Shelton, CT USA, Simple Method of Measuring the Band Gap Energy Value of TiO2 in the Powder Form using a UV/Vis/NIR Spectrometer.
[15]. X. Zi-Qiang, D. Hong, L. Yan, C. Hang, Al-doping effects on structure, electrical and optical properties of c-axis-orientated ZnO:Al thin films, Materials Science in Semiconductor Processing 9 (2006) 132-135.
[16]. Ullah R., Dutta J., Photocatalytic degradation of organic dyes with manganese-doped ZnO nanoparticles, Journal of Hazardous Materials 156 (2008) 194-200.
Published
2013-09-15
How to Cite
1.
(BUŞILĂ) IBĂNESCU M, MUŞAT V, TEXTOR T, MAHLTIG B. Photocatalytical Activities of Manganese Doped Zinc Oxide Nanoparticles Prepared by Sol-Gel Method. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2013 [cited 29Apr.2024];36(3):5-. Available from: https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2736
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