Abstract
While the synthesis of TiO<sub>2</sub> hollow structures is wellestablished, in most cases it is particularly difficult to control the crystallization of TiO<sub>2</sub> in solution or by calcination. As a result, TiO<sub>2</sub> hollow structures do not really exhibit enhanced lithium storage properties. Herein, we report a simple and costeffective template-assisted method to synthesize anatase TiO<sub>2</sub> hollow spheres composed of highly crystalline nanocrystals, in which carbonaceous (C) spheres are chosen as the removable template. The release of gaseous species from the combustion of C spheres may inhibit the growth of TiO<sub>2</sub> crystallites so that instead small TiO<sub>2</sub> nanocrystals are generated. The small size and high crystallinity of primary TiO<sub>2</sub> nanoparticles and the high structural integrity of the hollow spheres gives rise to significant improvements in the cycling stability and rate performance of the TiO<sub>2</sub> hollow spheres. © 2014 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
| Original language | English |
|---|---|
| Pages (from-to) | 12590-12593 |
| Journal | Angewandte Chemie - International Edition |
| Volume | 53 |
| Issue number | 46 |
| DOIs | |
| Publication status | Published - 10 Nov 2014 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Research Keywords
- Electron microscopy
- Hollow spheres
- Lithium storage
- Nanostructures
- Titania