화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.41, 33-39, September, 2016
DOI10.1016/j.jiec.2016.07.004  Export Citation
Influence of mesopore distribution on photocatalytic behaviors of anatase TiO2 spherical nanostructures
Hye Mee Yang, and Soo-Jin Park†
  • Department of Chemistry, Inha University, 100 Inharo, Incheon 402-751, South Korea
E-mail:
Mesoporous anatase TiO2 spheres were synthesized via sol.gel and solvothermal processes using ammonia. The crystallite size was shown to increase with the increasing amount of aqueous ammonia used, leading to a larger pore size. The mesopore volume of the materials reaches up to 0.308 cm3 g-1. The TiO2 spheres showed improved catalytic activity in organic dye photodegradation owing to their high specific surface area, pore volume, and optimal pore size, which enable an increase of light absorption capability, as well as fast mass transfer by the optimal mesopore structure.
Keywords:Mesoporous TiO2;Solvothermal process;Ammonia treatment;Pore size;Photocatalytic activity
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