Preparation and Characterization of Cerium Doped Titanium Dioxide Nano Powder for Photocatalyst

Euphracia Ndinda; Hyun Park; Kyung Nam Kim

Korean Journal of Materials Research, Vol.24, No.1, 33-36, January, 2014

DOI10.3740/MRSK.2014.24.1.33 Export Citation

Preparation and Characterization of Cerium Doped Titanium Dioxide Nano Powder for Photocatalyst

Euphracia Ndinda, Hyun Park, and Kyung Nam Kim^†

Department of Advanced Materials Engineering, Kangwon National University, Gangwon 245-711, Korea

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This study was aimed at synthesizing and characterizing cerium-doped titania. Cerium-doped anatase titania powders were prepared by sol-gel process, with ammonium (IV) nitrate and titanium (IV) butoxide as the raw materials. The characteristics of pure TiO2 and cerium-doped TiO2 were investigated by XRD, TG/DTA, FE-SEM, and UV-vis spectroscopy. The results of this study show that anatase type of TiO2 was obtained in as-prepared and calcined TiO2 and Ce-TiO2 powder. A DTA curve was also observed as the crystallization temperature decreased with increasing cerium contents. We found that the crystallite size of the obtained anatase particles decreased from 55 nm to 25 nm and the particle size decreased with increasing cerium contents. Moreover, UV-vis spectra showed that anatase titania powders with various cerium contents effectively extend the light absorption properties to the visible region.

Keywords:cerium;TBT;sol-gel process;anatase titania;photocatalyst

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Ndinda EM, Master thesis (in Korea), Kangwon Uni. (2011)
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[1] Akpan UG, Hameed BH, J. Hazard. Mater., 170(2-3), 520 (2009)

[2] Wei CH, Tang XH, Liang JR, Tang SY, J. Environ. Sci., 19(1), 90 (2007)

[3] Akpan UG, Hameed BH, Appl. Catal. A: Gen., 375(1), 1 (2010)

[4] Xu AW, Gao Y, Liu HQ, J. Catal., 207(2), 151 (2002)

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[6] Yuan Q, Duan HH, Li LL, Sun LD, Zhang YW, Yan CH, J. Colloid Interface Sci., 335(2), 151 (2009)

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[8] Zhu JJ, Xie J, Chen M, Jaing D, Wu D, Colloids and Surfaces A: Physiochem. Eng. Aspectsv, 335, 178 (2010)

[9] Grey IE, Wilson NC, J. Solid State Chem., 180(2), 670 (2007)

[10] Tong TZ, Zhang JL, Tian BZ, Chen F, He DN, Anpo M, J. Colloid Interface Sci., 315(1), 382 (2007)

[11] Hafizah N, Sopyan I, Inter. J. Photoenergy, 2009, 1 (2009)

[12] Li GQ, Liu CY, Liu Y, Appl. Surf. Sci., 253(5), 2481 (2006)

[13] Fujishima A, Zhang X, Tryk DA, Sur. Sci. Reports, 63, 515 (2008)

[14] Shin DY, Kim KN, Mat. Sci. Forum, 622, 679 (2009)

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[16] Ndinda EM, Master thesis (in Korea), Kangwon Uni. (2011)

[17] Silva AMT, Silva CG, Drazic G, Faria JL, Catalysis Today, 144(1-2), 13 (2009)

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