N-doped anodic titania nanotube arrays for hydrogen production

Sang-Sun Park; Seon-Mi Eom; Masakazu Anpo; Dong-Ho Seo; Yukwon Jeon; Yong-gun Shul

Korean Journal of Chemical Engineering, Vol.28, No.5, 1196-1199, May, 2011

DOI10.1007/s11814-010-0498-7 Export Citation

N-doped anodic titania nanotube arrays for hydrogen production

Sang-Sun Park¹, Seon-Mi Eom², Masakazu Anpo³, Dong-Ho Seo¹, Yukwon Jeon¹, and Yong-gun Shul^{1, 2, †}

¹Department of Chemical Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea
²The Specialized Graduate School of Hydrogen & Fuel Cell, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea
³Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan

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Titanium dioxide (TiO2) nanotube arrays are grown in a mixed electrolyte by anodizing process. The anodic nanotubes for N-doping were calcinated at 773 K in a tube furnace with a mixture of NH3 and Ar gas. The photocatalytic activity of N-doped TiO2 nanotubes was carried out in a water-splitting reaction under UV and visible light irradiation. Various characterization techniques (Scanning electron microscopy, X-ray diffractometry, X-ray photo-electron spectroscopy, etc.) are used to study the surface morphology, phase of structure, and binding energy.

Keywords:Anodization;Hydrogen;TiO2 Nanotube;Water-splitting

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[4] Kaneco S, Chen Y, Westerhoff P, Crittenden JC, Scripta Mater., 56, 373 (2007)

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[6] Yang Y, Wang X, Li L, Mater. Sci. Eng. B-Solid., 149, 58 (2008)

[7] Tep KC, Shankar K, Grimes CA, NSF EE REU PENN STATE Annual Research Journal., 3, 142 (2005)

[8] Raja KS, Misra M, Paramguru K, Electrochim. Acta, 51(1), 154 (2005)

[9] Vitiello RP, Macak JM, Ghicov A, Tsuchiya H, Dick LFP, Schmuki P, Electrochem. Commun., 8, 544 (2006)

[10] Jitputti J, Pavasupree S, Suzuki Y, Yoshikawa S, J. Soild State Chem., 180, 1743 (2007)

[11] Fujishima A, Honda K, Nature., 238, 37 (1972)

[12] Mohapatra SK, Misra M, Mahajan VK, Raja KS, J. Catal., 246(2), 362 (2007)

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