Citation: LI Guo-Ping, WENG Wen, LI Fei-Ming. Photocatalytic Performance of α- and β-Ga₂O₃ for the Degradation of Tetracycline Hydrochloride in Water[J]. Chinese Journal of Structural Chemistry, ;2015, 34(11): 1779-1785. doi: 10.14102/j.cnki.0254-5861.2011-0987 shu

Photocatalytic Performance of α- and β-Ga₂O₃ for the Degradation of Tetracycline Hydrochloride in Water

1.
College of Chemistry and Environment, Minnan Normal University, Zhangzhou, Fujian 363000, China

Corresponding author: LI Guo-Ping,
Received Date: 28 July 2015
Available Online: 18 October 2015
Fund Project: This work was supported by the Funds of Department of Education of Fujian province (No. JA14199) (No. JA14199)

α- and β-Ga₂O₃ were prepared via a precipitation method. The as-prepared α- and β-Ga₂O₃ were characterized by X-ray diffraction (XRD), N₂-sorption BET surface area, UV-vis diffuse reflectance spectra (DRS), photoluminescence spectroscopy (PL) and electron spin resonancespectroscopy (ESR). The photocatalytic activities of Ga₂O₃ were evaluated by the photocatalytic degradation of tetracycline sydrochloride solution. The results showed that the photocatalytic activity of β-Ga₂O₃ was higher than that of α-Ga₂O₃ and β-Ga₂O₃ obtained at the calcination temperature of 900℃, which showed the best photocatalytic activity. The reasons for the differences in photocatalytic activity of Ga₂O₃ are discussed in terms of crystallinity, surface area, crystals and electronic structures.
- Ga₂O₃,
- tetracycline hydrochloride,
- photocatalysis
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