Journal
RSC ADVANCES
Volume 4, Issue 33, Pages 17274-17281Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra00588k
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Funding
- Natural Science Foundations of China [21306030]
- Natural Science Foundations of Guangdong Province [s2012010009719, s2013040015229]
- Innovative Talents Cultivation Project of Guangdong Province [LYM11096]
- Science and Technology Project of Guangzhou [12C52011621, 12C52011624]
- Scientific Research Project of Guangzhou Municipal Colleges and Universities [2012A064]
- Fresh Talent Program of Guangzhou University [201302]
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One-dimensional (1D) ZnO/Mn3O4 core/shell nanorod arrays (NRAs) and nanotube arrays (NTAs) have been controllably synthesized via a facile electrochemical deposition process and characterized by X-ray diffraction, SEM, TEM, EDS, X-ray photoelectron spectroscopy, and electrochemical experiments. To assess the properties of 1D ZnO/ Mn3O4 core/shell nanostructures for use in supercapacitors, cyclic voltammetry and galvanostatic charging-discharging measurements were performed. Remarkably, the ZnO/Mn3O4 core/shell NTAs electrode is found to exhibit 2.5 times higher capacitance, better rate performance and smaller inner resistance than the ZnO/ Mn3O4 NRAs. These findings indicate that the novel 1D architectures offer a very promising design for supercapacitors.
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