Special Talents Science and Technology Innovation Project of Shanxi Province of China (201705D2011007), Shanxi Provincial Natural Science Foundation of China (201801D221140, 201801D121099)， Shanxi province scientific facilities and instruments shared service platform (201805D141005)
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Hydrogenated TiO2 nanotube arrays exhibit good electrochemical performance, which can be further improved by constructing anatase <001> preferred orientation structure within TiO2 nanotube arrays. The anatase TiO2 nanotube arrays with different degrees of <001> orientation via adjusting the Glycol-H2O ratio in anodization process and the subsequent annealing atmosphere. After electrochemical hydrogenation, the as-prepared samples with different degrees of <001> orientation were characterized by SEM, XPS, XRD, TEM and electrochemical measurements, the effects of preparation process on <001> orientated structure was investigated. The mechanism of the enhanced electrochemical properties by orientated structure orientation was discussed. The hydrogenated TiO2 nanotube arrays with highly <001> orientation delivered the charge specific capacitance as high as 17.31 mF·cm-2, which can attribute to the synergetic effects of hydrogenation and <001> oriented structure.
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[李文奕,Zhang Wanggang, Liu Yiming, Liu Jiameng, Guo Fei, Wang Hongxia. The effect of preferred orientation on the electrochemical performance of hydrogenated TiO2 nanotube arrays[J]. Rare Metal Materials and Engineering,2020,49(5):1643~1649.]
DOI：10.12442/j. issn.1002-185X.20190181
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History
- Received:March 05,2019
- Revised:March 21,2019
- Adopted:April 10,2019
- Online: June 05,2020