Effects of hydrothermal temperature and acid concentration on the transition from titanate to titania

Soonhyun Kim; Minsun Kim; Sung-Ho Hwang; Sang Kyoo Lim

Journal of Industrial and Engineering Chemistry, Vol.18, No.3, 1141-1148, May, 2012

DOI10.1016/j.jiec.2012.01.015 Export Citation

Effects of hydrothermal temperature and acid concentration on the transition from titanate to titania

Soonhyun Kim^†, Minsun Kim, Sung-Ho Hwang, and Sang Kyoo Lim

Division of Nano-Bio Technology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 711-873, Republic of Korea

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Nanostructured titanates were prepared by alkaline hydrothermal processing. The titanates were transformed to the anatase particles at low concentrations of acid, whereas the rutile rods were produced from the titanates at high concentrations of acid. These changes were more retarded in the titanate nanofiber product than in titanate nanotubes product, which could be attributed to the stability and high crystallinity of the titanate nanofiber product prepared at a high hydrothermal temperature. The photocatalytic activities of the acid treated nanostructured titanates for MB degradation and gaseous CH3CHO oxidation were strongly dependent on the presence of the anatase crystalline phase.

Keywords:Nanostructure;Hydrothermal;Phase transformation;Titanates;Titania;Photocatalytic

[References]

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Kasuga T, Hiramatsu M, Hoson A, Sekino T, Niihara K, Adv. Mater., 11(15), 1307 (1999)
Nakahira A, Kubo T, Numako C, Inorg. Chem., 49(13), 5845 (2010)
Bavykin DV, Friedrich JM, Walsh FC, Adv. Mater., 18(21), 2807 (2006)
Bavykin DV, Walsh FC, Titanate and Titania Nanotubes: Synthesis, Properties and Applications, Royal Society of Chemistry, Cambridge (2010)
Kiatkittipong K, Ye C, Scott J, Amal R, Cryst. Growth Des., 10, 3618 (2010)
Zhang DR, Kim CW, Kang YS, J. Phys. Chem. C., 114, 8294 (2010)
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Cesano F, Bertarione S, Uddin MJ, Agostini G, Scarano D, Zecchina A, J. Phys.Chem. C, 114, 169 (2010)
Lin CH, Chao JH, Liu CH, Chang JC, Wang FC, Langmuir, 24(17), 9907 (2008)
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Zhu HY, Lan Y, Gao XP, Ringer SP, Zheng ZF, Song DY, Zhao JC, J. Am. Chem. Soc., 127(18), 6730 (2005)
Bavykin DV, Kulak AN, Walsh FC, Cryst. Growth Des., 10, 4421 (2010)
Kim S, Lim SK, Appl. Catal. B: Environ., 84(1-2), 16 (2008)
Suetake J, Nosaka AY, Hodouchi K, Matsubara H, Nosaka Y, J. Phys. Chem. C., 112, 18474 (2008)
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[Referenced By]

[1] Kasuga T, Hiramatsu M, Hoson A, Sekino T, Niihara K, Langmuir, 14(12), 3160 (1998)

[2] Kasuga T, Hiramatsu M, Hoson A, Sekino T, Niihara K, Adv. Mater., 11(15), 1307 (1999)

[3] Nakahira A, Kubo T, Numako C, Inorg. Chem., 49(13), 5845 (2010)

[4] Bavykin DV, Friedrich JM, Walsh FC, Adv. Mater., 18(21), 2807 (2006)

[5] Bavykin DV, Walsh FC, Titanate and Titania Nanotubes: Synthesis, Properties and Applications, Royal Society of Chemistry, Cambridge (2010)

[6] Kiatkittipong K, Ye C, Scott J, Amal R, Cryst. Growth Des., 10, 3618 (2010)

[7] Zhang DR, Kim CW, Kang YS, J. Phys. Chem. C., 114, 8294 (2010)

[8] Tachikawa T, Tojo S, Fujitsuka M, Sekino T, Majima T, J. Phys. Chem. B, 110(29), 14055 (2006)

[9] Ou HH, Liao CH, Liou YH, Hong JH, Lo SL, Environ. Sci. Technol., 42, 4507 (2008)

[10] Yu JG, Yu HG, Cheng B, Zhao XJ, Zhang QJ, J. Photochem. Photobiol. A., 182, 121 (2006)

[11] Kuo HL, Kuo CY, Liu CH, Chao JH, Lin CH, Catal. Lett., 113(1-2), 7 (2007)

[12] Cesano F, Bertarione S, Uddin MJ, Agostini G, Scarano D, Zecchina A, J. Phys.Chem. C, 114, 169 (2010)

[13] Lin CH, Chao JH, Liu CH, Chang JC, Wang FC, Langmuir, 24(17), 9907 (2008)

[14] Khan MA, Jung HT, Yang OB, J. Phys. Chem. B, 110(13), 6626 (2006)

[15] Mao YB, Wong SS, J. Am. Chem. Soc., 128(25), 8217 (2006)

[16] Zhu HY, Lan Y, Gao XP, Ringer SP, Zheng ZF, Song DY, Zhao JC, J. Am. Chem. Soc., 127(18), 6730 (2005)

[17] Bavykin DV, Kulak AN, Walsh FC, Cryst. Growth Des., 10, 4421 (2010)

[18] Kim S, Lim SK, Appl. Catal. B: Environ., 84(1-2), 16 (2008)

[19] Suetake J, Nosaka AY, Hodouchi K, Matsubara H, Nosaka Y, J. Phys. Chem. C., 112, 18474 (2008)

[20] Nakahira A, Kubo T, Numako C, ACS Appl. Mater. Int., 2, 2611 (2010)

[21] Rouquerol F, Rouquerol J, Sing K, Adsorption by Powders and Porous Solid, Academic Press, Marseille (1999)