Synthesis and Characterization of Fe Doped TiO2 Nanoparticles by a Sol-Gel and Hydrothermal Process

Hyun-Ju Kim; Kwang-Jin Jeong; Dong-Sik Bae

Korean Journal of Materials Research, Vol.22, No.5, 249-252, May, 2012

DOI10.3740/MRSK.2012.22.5.249 Export Citation

Synthesis and Characterization of Fe Doped TiO2 Nanoparticles by a Sol-Gel and Hydrothermal Process

Hyun-Ju Kim, Kwang-Jin Jeong, and Dong-Sik Bae^{1, †}

School of Nano & Advanced Materials Engineering, Changwon National University, Korea
¹Department of Convergence Materials Science and Engineering, Changwon National University, Gyeongnam, 641-773, Korea

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Fe doped TiO2 nanoparticles were prepared under high temperature and pressure conditions by mixture of metal nitrate solution and TiO2 sol. Fe doped TiO2 particles were reacted in the temperature range of 170 to 200oC for 6 h. The microstructure and phase of the synthesized Fe doped TiO2 nanoparticles were studied by SEM (FE-SEM), TEM, and XRD. Thermal properties of the synthesized Fe doped TiO2 nanoparticles were studied by TG-DTA analysis. TEM and X-ray diffraction pattern shows that the synthesized Fe doped TiO2 nanoparticles were crystalline. The average size and distribution of the synthesized Fe doped TiO2 nanoparticles were about 10 nm and narrow, respectively. The average size of the synthesized Fe doped TiO2 nanoparticles increased as the reaction temperature increased. The overall reduction in weight of Fe doped TiO2 nanoparticles was about 16% up to ~700oC; water of crystallization was dehydrated at 271oC. The transition of Fe doped TiO2 nanoparticle phase from anatase to rutile occurred at almost 561oC. The amount of rutile phase of the synthesized Fe doped TiO2 nanoparticles increased with decreasing Fe concentration. The effects of synthesis parameters, such as the concentration of the starting solution and the reaction temperature, are discussed.

Keywords:Fe-doped TiO2 nanoparticles;anatase;rutile;sol-gel process;hydrothermal process

[References]

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[Referenced By]

[1] Rao MV, Rajeshwar K, Verneker VRP, DuBow J, J. Phys. Chem., 84, 1987 (1980)

[2] Palmisano L, Schiavello M, Sclafani A, Martin C, Martin I, Rives V, Catal. Lett., 24(3-4), 303 (1994)

[3] Wang XH, Li G, Kamiyama H, Ishigaki T, Thin Solid Films, 506-507, 278 (2006)

[4] Nettleton-Hammond J, Malati MA, React. Kinet. Catal. Lett., 70(2), 325 (2000)

[5] Trapalis CC, Keivanidis P, Kordas G, Zaharescu M, Crisan M, Szatvanyi A, Gartner M, Thin Solid Films, 433(1-2), 186 (2003)

[6] Sokmen M, Candan F, Sumer Z, J. Photochem. Photobiol. Chem., 143, 241 (2001)

[7] Djerdj I, Tonejc AM, J. Alloy. Comp., 413, 159 (2006)

[8] Moser J, Gratzel M, Gallay R, Helv. Chim. Acta, 70, 1596 (1987)

[9] Li W, Frenkel AI, Woicik JC, Ni C, Shah SI, Phys. Rev. B, 72, 155315 (2005)

[10] Zhang YH, Reller A, J. Mater. Chem., 11, 2537 (2001)

[11] Gerhardt R, Nowick, J. Am. Ceram. Soc., 69, 641 (1986)

[12] Hirano S, Am. Ceram. Soc. Bull., 66, 1342 (1987)

[13] Dawson WJ, Am. Ceram. Soc. Bull., 67, 1673 (1988)

[14] Cho SB, Venigalla S, Adair JH, Science, technology and applications of colloidal suspensions, p. 139, edited by Adair JH, Casey JA, Randall CA, Venigalla S, American Ceramic Society, USA (1995). (1995)

[15] Haberko K, Pyda W, Advances in Ceramics: Vol, 12 (Science and Technology of Zirconia II), p. 774, edited by Claussen N, Ruhle M, Heuer AH, American Ceramic Society, USA (1984). (1984)