Synthesis of TbMnO3 by Microwave Assisted Method and its Photocatalytic Activity

Min Min Jin; Chun Yu Long; Fang Fang Peng; Pei Song Tang; Hai Feng Chen

doi:10.4028/www.scientific.net/KEM.748.408

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 748Synthesis of TbMnO3 by Microwave Assisted Method...

Synthesis of TbMnO₃ by Microwave Assisted Method and its Photocatalytic Activity

Abstract:

Using terbium oxide (Tb₄O₇), manganese acetate (MnC₄H₆O₄·4H₂O), citric acid (C₆H₈O₇) and urea (CO(NH₂)₂) as the main materials, the TbMnO₃ was prepared by a facile microwave assisted process. The TbMnO₃ samples were characterized by thermogravimetric and differential thermal analysis (TG-DTA), powder X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier transform Infrared (FT-IR) spectroscopy. XRD and SEM demonstrated the successful synthesis of single phase TbMnO₃ and an average grain size of 100 nm in diameter. Under UV-light, the photocatalytic activity of TbMnO₃ calcination at 800 °C was investigated by decomposition simulation wastewater containing 20 mg/L methyl orange (MO). The degradation rate of methyl orange can arrive to 95% when light irradiation was 180 min in presence of TbMnO₃. The results show that TbMnO₃ has highly photocatalytic activity for the degradation of methyl orange.

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Advanced Materials and Engineering Materials VI

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Key Engineering Materials (Volume 748)

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408-412

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.748.408

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Online since:

August 2017

Authors:

Min Min Jin*, Chun Yu Long, Fang Fang Peng, Pei Song Tang, Hai Feng Chen

Keywords:

Microwave Method, Perovskite Manganites, Photocatalysis, Rare Earth, TbMnO₃

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