Journal
NANO ENERGY
Volume 26, Issue -, Pages 16-25Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2016.04.050
Keywords
Mesoporous materials; Titania; Confinement; Interface assembly; Dye-sensitized solar cells
Categories
Funding
- National Natural Science Foundation of China [51402049, 51422202, 51432004, 51372041]
- Shanghai Committee of Science and Technology, China [14ZR1400600]
- Programme of Introducing Talents of Discipline to Universities [111-2-04]
- Fundamental Research Funds for the Central Universities [2232015D3-06]
- Shu Guang project of Shanghai Municipal Education Commission [13SG02]
- National Youth Top Talent Support Program of national high-level personnel of special support program
- State Key Laboratory of ASIC System [2015KF002]
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Uniform discrete mesoporous titania microspheres have been synthesized via a facile and controllable interface-directed co-assembly approach by using 3-dimensional macroporous carbon (3DOMC) as the nanoreactor for the confined co-assembly of template molecules and titania source. By adjusting the synthesis parameters, hollow mesoporous microspheres and hemi-microspheres can also be synthesized. The obtained mesoporous TiO2 microspheres possess a large pore size (4.7 nm), high accessible surface area (145 m(2)/g), large pore volume (0.26 cm(3)/g) and highly crystallized anatase pore walls. The dye sensitized solar cell based on the mesoporous TiO2 microspheres exhibits high photoconversion efficiencies up to 8.5%, which are largely attributed to their intrinsic high surface area, high porosity and well-connected crystalline framework. (C) 2016 Elsevier Ltd. All rights reserved.
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