期刊
JOURNAL OF POWER SOURCES
卷 329, 期 -, 页码 225-231出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2016.08.090
关键词
TiO2 microspheres; Ethylene glycol monomethyl ether; Etherification reaction; Ligand exchange
资金
- National High Technology Research and Development Program of China [2015AA050602]
- External Cooperation Program of BIS, Chinese Academy of Sciences [GJHZ1607]
- National Natural Science Foundation of China [51572080, U1205112, 21273242]
This paper describes a facile solvothermal method to synthesize TiO2 microspheres by employing ethylene glycol monomethyl ether and ethylene glycol as solvent. By analyzing the resulted supernatant after reaction, it was proved that the etherification reaction of glycol monomethyl ether and the ligand exchange between ethylene glycol and tetra-n-butyl titanate played a key role in synthesis of TiO2 microspheres. These as-obtained TiO2 microspheres exhibited high specific surface area up to 113.24 m(2) g(-1) and have a narrow pore size distribution (6.94 nm). When applied to the photoanode, the TiO2 microsphere-based dye-sensitized solar cells achieved a high power conversion efficiency up to 10.25%. (C) 2016 Elsevier B.V. All rights reserved.
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