NDLI: Effects of non-polar solvent on the morphology and property of three-dimensional hierarchical TiO$_{2}$ nanostructures by one-step solvothermal route

Content Provider	Springer Nature Link
Author	Zhou, Yi Wu, Hongyan Zhong, Xian Liu, Ce
Copyright Year	2014
Abstract	Three-dimensional (3D) hierarchical rutile TiO$_{2}$ microspheres composed of nanorods with diameter of several-tens of nanometers, with different morphologies and with average size ranging from 1.3 to 1.8 μm, were successfully synthesized through a surfactant-free solvothermal route. The effects of the solvents n-hexane, chloroform, and cyclohexane on the microstructures of 3D hierarchical TiO$_{2}$ nanostructures were investigated. Results of scanning electron microscopy showed that 3D sea-urchin like hierarchical TiO$_{2}$ composed of nanorods with a diameter of ~10 nm can only be prepared in the cyclohexane-water system. The growth mechanism of 3D sea-urchin like hierarchical TiO$_{2}$ composed of numerous nanorods was further examined and found to differ from the well-known “growth → assembly” mode. The effects of surface tension and polarity of solvents on the morphology and crystal strength of 3D hierarchical TiO$_{2}$ nanostructure were also investigated. In addition, the prepared 3D sea-urchin like hierarchical TiO$_{2}$ showed highest photocatalytic activity compared with other 3D hierarchical TiO$_{2}$ nanostructures in this study and Degussa P25 for the degradation of Rhodamine B solution under UV light irradiation, which could be attributed to its special hierarchical superstructure, the increase of surface catalytic sites and its special composition units.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	16
Issue Number	7
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-06-06
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hierarchical Surface tension Solvent Polarity Growth mechanism Photocatalytic property Nanotechnology Inorganic Chemistry Characterization and Evaluation of Materials Physical Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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