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作者:

Selvakumar, K. (Selvakumar, K..) | Raja, A. (Raja, A..) | Arunpandian, M. (Arunpandian, M..) | Rajasekaran, P. (Rajasekaran, P..) | Swaminathan, M. (Swaminathan, M..)

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EI Scopus SCIE

摘要:

Natural hematite ore incorporated ZnO (FOZ) was developed hydrothermally and characterised by UV-Vis diffuse reflectance spectroscopy (DRS-UV), Fourier transform infrared spectroscopy (FT-IR), photoluminescence spectroscopy (PL), X-ray powder diffraction (XRD), field emission scanning electron microscopy (FE-SEM), elemental colour mapping, and X-ray photoelectron spectroscopy (XPS). The DRS-UV spectrum of FOZ has increased absorbance in the UV and visible region compared to ZnO. The PL intensity of FOZ is less than the ZnO photocatalyst due to the decrease in electron-hole recombination. XRD pattern confirmed the formation of rhombohedral structure of hematite and the hexagonal primitive structure of ZnO. FE-SEM images indicate that ZnO nanoparticles are highly dispersed over the surface of the hematite ore. The elemental mapping evidence higher density of Zn and O and there is even dispersion of Zn, O, Fe, Ti and Si. The FOZ composite was used for the photodegradation of ciprofloxacin (CF) and methylene blue (MB) under visible light. This study was optimised by catalyst dosage, CF concentration and with the presence of various radical scavengers. FOZ composite degraded 98.45% of ciprofloxacin in 60 min. Further, the excellent recyclability of FOZ was well maintained even after multiple cycles on photocatalytic reaction.

关键词:

organic dye ciprofloxacin Natural hematite ore photodegradation ZnO

作者机构:

  • [ 1 ] [Selvakumar, K.]Kalasalingam Acad Res & Educ, Int Res Ctr, Dept Chem, Nanomat Lab, Krishnankoil, India
  • [ 2 ] [Arunpandian, M.]Kalasalingam Acad Res & Educ, Int Res Ctr, Dept Chem, Nanomat Lab, Krishnankoil, India
  • [ 3 ] [Swaminathan, M.]Kalasalingam Acad Res & Educ, Int Res Ctr, Dept Chem, Nanomat Lab, Krishnankoil, India
  • [ 4 ] [Selvakumar, K.]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing, Peoples R China
  • [ 5 ] [Raja, A.]Kalasalingam Acad Res & Educ, Int Res Ctr, Dept Phys, Multifunct Mat Res Lab, Krishnankoil, India
  • [ 6 ] [Rajasekaran, P.]Shizuoka Univ, Grad Sch Sci & Technol, Hamamatsu, Shizuoka, Japan

通讯作者信息:

  • [Swaminathan, M.]Kalasalingam Acad Res & Educ, Int Res Ctr, Dept Chem, Nanomat Lab, Krishnankoil, India

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来源 :

INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

ISSN: 0306-7319

年份: 2019

期: 14

卷: 101

页码: 2228-2241

2 . 6 0 0

JCR@2022

ESI学科: ENVIRONMENT/ECOLOGY;

ESI高被引阀值:167

JCR分区:4

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 6

ESI高被引论文在榜: 0 展开所有

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