(Fe₁₋ₓNiₓ)₃N nanoparticles: the structure, magnetic and photocatalytic properties for water splitting
2016
Lei, Xiang | Zhang, Peng | Wang, Xiaobai | Wang, Wei | Yang, Hua
Fe₃N and (Fe₁₋ₓNiₓ)₃N nanoparticles (NPs) were prepared via a simple sol–gel method. The structures, morphology, and magnetic properties of the NPs are investigated using X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscope. It is shown that (Fe₁₋ₓNiₓ)₃N possess a spherical morphology with a core–shell structure from the TEM results. The magnetic properties of Fe₃N and (Fe₁₋ₓNiₓ)₃N NPs are carefully studied by using vibrating sample magnetometer. Moreover, Fe₃N and all of the (Fe₁₋ₓNiₓ)₃N NPs are found to photocatalyze water splitting under Xe lamp irradiation. These results suggest that (Fe₁₋ₓNiₓ)₃N NPs can be used as a low-cost catalyst for water splitting.
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