화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.53, 253-260, September, 2017
DOI10.1016/j.jiec.2017.04.033  Export Citation
Novel approach for the synthesis of nitrogen-doped titania with variable phase composition and enhanced production of hydrogen under solar irradiation
Police Anil Kumar Reddy, P. Venkata Laxma Reddy1, Ki-Hyun Kim2, †, Mandari Kotesh Kumar, Chennaiahgari Manvitha3, and Jae-Jin Shim†
  • School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
  • 1Program in Environmental Science and Engineering, University of Texas El Paso, El Paso, TX 799038, USA
  • 2Department of Civil & Environmental Engineering, Hanyang University, 222, Wangsimni Ro, Seoul 04763, Republic of Korea
  • 3Sarojini Naidu Vanitha Mahavidyala, Osmania University, Hyderabad 500 001, India
E-mail:,
In order to maximize the photocatalytic production of hydrogen, it is desirable to develop an efficient photocatalyst with enhanced yield and visible sensitivity. To this end, we developed a novel method to synthesize nitrogen doped TiO2 with anatase/rutile/brookite mixed phases in aqueous urea solutions. The hydrogen production capacity of the nitrogen doped multiphase TiO2 (e.g., anatase (69%)/brookite (17%)/rutile (14%)), when assessed under solar light irradiation, was six times higher than that of commercial Degussa P25 and bare TiO2 catalysts. Such enhanced efficiency was ascribed to increased visible absorption along with effective electron.hole separation between the different crystalline phases.
Keywords:Water splitting;Hydrogen production;Nitrogen doping;Multiphase TiO2;Photocatalysis
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