期刊
DALTON TRANSACTIONS
卷 44, 期 35, 页码 15628-15635出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5dt02046h
关键词
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资金
- National Natural Science Foundation of China [21173105]
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control [KHK1402]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
A unique hexagonal sheet-shaped NiO/CoO/Fe2O3 composite with irregularly shaped nanoparticles was fabricated for the first time through a simple co-precipitation and hydrothermal method. The NiO/CoO/Fe2O3 composite was characterized by numerous techniques (TEM, HRTEM, PXRD, EDX, ICP-AES, BET, and XPS) to confirm its structure and composition. This structure of the NiO/CoO/Fe2O3 composite may enhance the photocatalytic and electrocatalytic performance for water oxidation. Compared with NiO, CoO and Fe2O3, the NiO/CoO/Fe2O3 composite exhibits a lower overpotential and a much smaller Tafel slope of 49 mV dec(-1) for water oxidation. At the same time, the composite possesses beneficial ferromagnetic properties and superior stability; thus, it can be used repeatedly without any loss in activity.
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