화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.37, 380-389, May, 2016
DOI10.1016/j.jiec.2016.04.002  Export Citation
Preparation of N-functionalized TiO2 particles using one-step sol-gel method and their photocatalytic activity
Inseok Jang, Hui Jun Leong, Hongche Noh, Taeho Kang, Sungho Kong, and Seong-Geun Oh†
  • Department of Chemical Engineering, Hanyang University, Seoul 133-791, Republic of Korea
E-mail:
Nitrogen functionalized TiO2 (N-TiO2) particles having an excellent dispersibility were prepared by sol-gel method. Generally, N-TiO2 particles have been made at the harsh preparation conditions including either high temperature or high pressure with nitrogen sources. However, in this research, N-TiO2 particles were prepared through facile sol-gel reaction with titanium(IV) (triethanolaminato)-isopropoxide (TTEAIP) precursor at mild conditions. The diameter of titania spheres could be tunable from 250 to 2200 nm by varying TTEAIP concentrations. Photocatalytic performances of N-TiO2 were examined through the degradation of methylene blue. N-TiO2 particles exhibited 3-10 times better performance of methylene blue photodegradation than that of commercial P25.
Keywords:Inorganic compounds;Oxides;Sol-gel growth;Surface properties;Photoelectron spectroscopy
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