Journal
CHEMICAL PHYSICS
Volume 510, Issue -, Pages 47-53Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemphys.2018.05.012
Keywords
TiO2; Mesoporous-structure; Adsorption; Photocatalysis; Methylene blue
Funding
- National Natural Science Foundation of China [51402276]
- Foundation of Science and Technology Department of Zhejiang Province [2017C33078, 2016C31113]
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Mesoporous SBA-15 was used to anchor TiO2 nanoparticles into the mesopores to form high surface area TiO2 /SBA-15 nanocomposites, and then the influence of mesoporous-structure on the photocatalytic performance was investigated. TiO2/SBA-15 nanocomposites possessed the high specific surface area and appropriate pore size, indicating the excellent adsorption performance. TiO2 /SBA-15 nanocomposites exhibited the higher photocatalytic activity to degrade dyes (methylene blue: MB) than TiO2 (removing SBA-15), which should attributed to the excellent adsorption performance of the nanocomposites. MB was absorbed to form the higher concentration near TiO2 /SBA-15 photocatalysts, and the photocatalytic degradation for MB was improved. (C) 2018 Elsevier B.V. All rights reserved.
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