Visible‐Light Photocatalytic Properties of Weak Magnetic BiFeO<sub>3</sub> Nanoparticles
Feng Gao(Collaborative Innovation Center of Advanced Microstructures), X. Y. Chen(Collaborative Innovation Center of Advanced Microstructures), Kuibo Yin(Collaborative Innovation Center of Advanced Microstructures), Shuai Dong(Collaborative Innovation Center of Advanced Microstructures), Z. F. Ren(Boston College), Fang Yuan(Collaborative Innovation Center of Advanced Microstructures), Tao Yu(Collaborative Innovation Center of Advanced Microstructures), Zhi Zou(Collaborative Innovation Center of Advanced Microstructures), Jun‐Min Liu(Chinese Academy of Sciences)
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Abstract
Polycrystalline BiFeO3 nanoparticles (size 80–120 nm) are prepared by a simple sol–gel technique. Such nanoparticles are very efficient for photocatalytic decomposition of organic contaminants under irradiation from ultraviolet to visible frequencies. The BiFeO3 nanoparticles also demonstrate weak ferromagnetism of about 0.06 μB/Fe at room temperature, in good agreement with theoretical calculations.
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