4.4 Article

Synthesis of α-Fe2O3 rhombus nanoplates for photocatalytic investigation of cationic and anionic dyes and antibacterial aspect

期刊

JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE
卷 16, 期 1, 页码 1192-1201

出版社

TAYLOR & FRANCIS LTD
DOI: 10.1080/16583655.2022.2154094

关键词

Photocatalysis; hydrothermal method; alpha-Fe2O3-RNPs; anionic dye; cationic dye; antibacterial activity

资金

  1. State Scholarship Fund of China Scholarship Council [201808410144]
  2. National Natural Science Foundation of China [51202107]
  3. Foundation of Henan Educational Committee [20A480003]

向作者/读者索取更多资源

In this study, alpha-Fe2O3-RNPs were successfully synthesized via hydrothermal method and characterized using various techniques, demonstrating their photocatalytic and antibacterial activities. Various factors such as reaction time, catalyst amount, and dye concentration showed versatile effects on the performance during dye degradation.
In the present investigation, Hematite rhombus nanoplates (alpha-Fe2O3-RNPs) were synthesized from Ferric chloride salts by hydrothermal method. The alpha-Fe2O3-RNPs were characterized by X-ray powder diffraction (XRD), Scanning electron microscope (SEM), Energy-dispersive X-ray spectroscopy (EDX), Fourier transformation infrared (FTIR), X-ray photon spectroscopy (XPS), Brunauer-Emmett-Teller (BET) specific surface area, UV-visible spectroscopy, Photoluminescence (PL) and Electrochemical impedance spectroscopy (EIS) techniques. The photocatalytic response was confirmed via the degrading of two different pollutant dyes such as cationic methylene blue (MB) and anionic methylene orange (MO). The degradation was performed under diverse optimizing specifications of process variables. The response time, catalyst amount, dye initial concentration, and recyclability showed versatile effects during dye degradation. The alpha-Fe2O3-RNPs hold potent antibacterial activity against P. acne and Enterococcus faecium (E. faecium). Based on the results, the hydrothermal method is feasible and facile for the synthesis of alpha-Fe2O3-RNPs for photocatalytic and antibacterial activity.

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