Preparation YbFeO3 by Microwave Assisted Method and its Visible-Light Photocatalytic Activity

Ling Xiang Jia; Jun Yue Zhu; Ting Ting Lin; Zhen Jiang; Chao Wan Tang; Pei Song Tang; Hai Feng Chen

doi:10.4028/www.scientific.net/AMR.699.708

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 699Preparation YbFeO3 by Microwave Assisted Method...

Preparation YbFeO₃ by Microwave Assisted Method and its Visible-Light Photocatalytic Activity

Abstract:

Using Yb(NO₃)₃•6H₂O and Fe(NO₃)₃•9H₂O as raw material, the YbFeO₃ nanoparticles were synthesized by microwave assisted method. The YbFeO₃ nanoparticles were characterized by thermogravimetry and differential thermal analysis (TG-DTA), powder X-ray diffraction (XRD), scanning electron microscopy (SEM) and UV-visible diffuse reflectance spectroscopy (DRS). It was found that the prepared YbFeO₃ show an average grain size of 80 nm in diameter, and strong visible-light absorption with absorption onset of 608 nm, indicating a narrow optical band gap of 2.04eV. Consequently, the YbFeO₃ nanoparticles show high photocatalytic activity for decomposition of methylene blue under visible-light irradiation.