Microwave-induced synthesis of porous single-crystal-like TiO2 with excellent lithium storage properties |
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| Authors: | Zhang Dieqing Wen Meicheng Zhang Peng Zhu Jian Li Guisheng Li Hexing |
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| Institution: | Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Normal University, Shanghai, People's Republic of China. dqzhang@shnu.edu.cn |
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| Abstract: | Porous anatase TiO(2) single crystal architectures with large specific surface area and remarkable crystalline phase-stability were fabricated via a green microwave-assisted process. Ionic liquid was chosen as both an essential structure-directing agent for the formation of the {001} facets exposed TiO(2) and an etching agent source for selective erosion of the exposed {001} facets, leading to robust porous framework with exposed {101} facets. These porous anatase single crystals were thermally stable up to 800 °C, indicating excellent structure stability. The product showed stable cyclability at high current rate, better reversibility, and high Coulumbic efficiency of 100% for lithium storage. |
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