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Hierarchical Fe3O4@titanate microspheres with superior removal capability for water treatment: in situ growth and structure tailoring via hydrothermal assisted etching
| Content Provider | Semantic Scholar |
|---|---|
| Author | Shi, Liang Dong, Bohua Gao, Rongjie Xia, Chenghui Zhao, Fenghuan Cao, Lixin |
| Copyright Year | 2015 |
| Abstract | Hierarchical flower-like Fe3O4@titanate microspheres with ultrathin nanosheets-assembled shell were fabricated via an effective step-by-step approach. Superparamagnetic Fe3O4 microspheres pre-formed were used as templates for perfect deposition of the following coatings. Silica middle layer was introduced by Stober method in order to direct the formation of amorphous titania coverage via the hydrolysis of tetraisopropyl titanate. Under alkaline hydrothermal environment, titanate nanosheets crystallized and grew in situ attaching on the surface of Fe3O4 spheres, generating the flower-like microspheres which exhibit excellent adsorption properties. Meanwhile, the hierarchical structures can be tailored by varying the hydrothermal temperature and alkalinity, and the roles of sodium hydroxide and hydrogen peroxide were proposed. |
| Starting Page | 73126 |
| Ending Page | 73132 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/C5RA06362K |
| Volume Number | 5 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/c5/ra/c5ra06362k/c5ra06362k1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/C5RA06362K |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
