Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 32, Issue -, Pages 172-177Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2015.08.013
Keywords
UV shielding; Rutile TiO2; Three-dimensional structure; Morphologic control
Funding
- National Natural Science Foundation of China [51262027]
- Natural Science Foundation of Gansu Province [1104GKCA019, 1010RJZA023]
- Science and Technology Tackle Key Problem Item of Gansu Province [2GS064-A52-036-08]
- fund of the State Key Laboratory of Solidification Processing in NWPU [SKLSP201011]
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Calliandra like rutile TiO2 hierarchical microspheres with different diameters were successfully prepared by hydrothermal method via altering reaction time. All these as synthesized unique hierarchical microspheres displayed higher UV shielding capability compared with commercial P25 and anatase TiO2. Noticeably, the UV shielding efficiency of these microspheres had a close relation to their diameters and packing density of constituted nanorods. The S-24h-C sample exhibited the highest UV shielding efficiency, which could not only block all UV light below 400 nm but also show poor photocatalytic activity under UV light radiation, indicating its great applied potential in UV-blocking materials. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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