期刊
JOURNAL OF POWER SOURCES
卷 267, 期 -, 页码 9-13出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.05.011
关键词
Titanium phosphate; 3D flower-like; Hierarchical; Water splitting
资金
- Fundamental Research Funds for the Central Universities [DL11EB02]
- Scientific and Technological Project of Heilongjiang Province [GC13A111]
- Heilongjiang Province Science and Technology Cooperation Projects [hz201306]
- National Natural Science Foundation of China [21176047]
A novel nano/micro hierarchical structured titanium phosphate with unique 3D flower-like morphology has been prepared by a simple hydrothermal method without adding any surfactants. The shape of the titanium phosphate could be controlled by simply adjusting the concentration of phosphoric acid. The 3D flower-like titanium phosphate with diameter of 2-3 mu m is characterized by the assembly of numerous porous and connected lamella structures. Interestingly, this novel hierarchical mesoporous 3D flower-like titanium exhibits enhanced hydrogen evolution from water splitting under xenon lamp irradiation in the presence of methanol as the sacrificial reagent, which is also the first example of 3D flower-like titanium phosphate with high photocatalytic activity for water splitting. Since the use of titanium phosphate as a photocatalyst has been mostly neglected up to now, this low-cost, simple procedure and large-scale yield of 3D nano/micro structure titanium phosphate could be expected to be applicable in the synthesis of controlled, reproducible and robust photocatalytic systems. (C) 2014 Elsevier B.V. All rights reserved.
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