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Microstrain analyses of Fe3O4NPs greenly synthesized using Gardenia jasminoides flower extract, during the photocatalytic removal of a commercial dye

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Abstract

The Gardenia jasminoides flower extract (Gjfe) was employed to prevent agglomeration during the magnetite nanoparticles (Fe3O4NPs) synthesis. Different analytical techniques such as FTIR-ATR, Raman, SEM–EDS, XPS, XRD, and TEM, were used to characterize the synthesized nanoparticles. Also, microstrain analyses of Fe3O4NPs were carried out. The results of the characterization techniques indicated spherical and well dispersed Fe3O4NPs/Gjfe, with a nanoparticle size (TEM) of about 4.5 nm. The XRD analysis resulted in good agreement with respect to JCPDS no. 89-4319. Fe3O4NPs/Gjfe were employed in the photocatalytic degradation of a commercial fabric dye, without the addition of any extra reagents, or control of pH or temperature. The photocatalytic reaction, studied by UV–Vis spectroscopy, showed excellent results, achieving a dye removal of 100% in 60 min (0.20 mg/mL of commercial dye) using 50 mg of Fe3O4NPs/Gjfe. The stability of the recycled Fe3O4NPs/Gjfe was determined by the number of times that the synthesized nanoparticles can be re-used in the dye removal process, obtaining that after five cycles of use, they do not lose their photocatalytic activity.

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Acknowledgements

The authors are deeply thankful to Francisco Ruiz (TEM analyses) and Eloisa Aparicio (XRD analyses) for their collaborations and CONACYT Project 174689.

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Correspondence to Heriberto Espinoza-Gómez or Lucía Z. Flores-López.

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Espinoza-Gómez, H., Flores-López, L.Z., Espinoza, K.A. et al. Microstrain analyses of Fe3O4NPs greenly synthesized using Gardenia jasminoides flower extract, during the photocatalytic removal of a commercial dye. Appl Nanosci 10, 127–140 (2020). https://doi.org/10.1007/s13204-019-01070-w

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  • DOI: https://doi.org/10.1007/s13204-019-01070-w

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