Adsorption and photodegrading of Methylene Blue by using of BaLaxGdxFe12-2xO19 (x=0. 2, 0. 4, 0. 6 and 0. 8)/PANI nanocomposites

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ABDOLLAHI FATEMEH; YOUSEFI MOHAMMAD; Hekmati Malak; Khajehnezhad Ana; SEYYED AFGHAHI SEYYED SALMAN

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Journal: International Journal of Nano Dimension Year:2020 | Volume:11 | Issue:1 Page(s): 41-49

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Title

Adsorption and photodegrading of Methylene Blue by using of BaLaxGdxFe12-2xO19 (x=0. 2, 0. 4, 0. 6 and 0. 8)/PANI nanocomposites

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Keywords

Hexaferrite

Methylene Blue

PANI

Photocatalytic Property

Saturation Magnetization

Abstract

In this paper, a series of BaLaxGdxFe12-2xO19 (x=0. 2, 0. 4, 0. 6 and 0. 8)/PANI (polyaniline) nanocomposites synthesized for investigating the photocatalytic properties. Barium Hexaferrite doped with La3+ and Gd3+ prepared via a sol-gel auto-combustion method and then the binary nanocomposites fabricated by the in situ polymerization method. (Fourier transform infrared) FTIR, (x-ray diffraction) XRD, (field emission electron microscopy) FESEM and (vibrating sample magnetometer) VSM confirmed the formation of binary nanocomposites. In FTIR analysis, the peaks at 431 and 580 cm-1 wavenumbers supported the formation of barium doped Hexaferrite. At 1463 and 1554cm-1 wavenumbers, the formations of quinoid and benzenoid rings were observable. The XRD patterns of nanocomposites proved the formation of PANI by appearing the amorphous peak at 2θ =23. 05 and 26. 05 degrees beside the Hexaferrite phase. In FESEM pictures, the sphere shape of PANI masked the whole nanoparticles of Hexaferrite. In VSM hysteresis loops, by doping La3+, the Saturation Magnetization increased to 74 emu. Then, by adding non-magnetic part (PANI) to the magnetic Hexaferrite, the Saturation Magnetization decreased to 11 emu. The photocatalytic properties of samples performed under the irradiation of UV-Vis light. All samples presented the photocatalytic properties. Hexaferrites as a semiconductor generated the electron-hole pairs under irradiation. PANI prevented the accumulation of electron-hole pairs on the valance band and consequently accelerated the photo-degradation of Methylene Blue. Kinetic studies and calculation of the correlation coefficient (R2) value which was about 0. 98, proved that the photocatalytic reactions followed the Pseudo-first order kinetic.

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APA: Copy

ABDOLLAHI, FATEMEH, YOUSEFI, MOHAMMAD, Hekmati, Malak, Khajehnezhad, Ana, & SEYYED AFGHAHI, SEYYED SALMAN. (2020). Adsorption and photodegrading of Methylene Blue by using of BaLaxGdxFe12-2xO19 (x=0. 2, 0. 4, 0. 6 and 0. 8)/PANI nanocomposites. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), 11(1), 41-49. SID. https://sid.ir/paper/322470/en

Vancouver: Copy

ABDOLLAHI FATEMEH, YOUSEFI MOHAMMAD, Hekmati Malak, Khajehnezhad Ana, SEYYED AFGHAHI SEYYED SALMAN. Adsorption and photodegrading of Methylene Blue by using of BaLaxGdxFe12-2xO19 (x=0. 2, 0. 4, 0. 6 and 0. 8)/PANI nanocomposites. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)[Internet]. 2020;11(1):41-49. Available from: https://sid.ir/paper/322470/en

IEEE: Copy

FATEMEH ABDOLLAHI, MOHAMMAD YOUSEFI, Malak Hekmati, Ana Khajehnezhad, and SEYYED SALMAN SEYYED AFGHAHI, “Adsorption and photodegrading of Methylene Blue by using of BaLaxGdxFe12-2xO19 (x=0. 2, 0. 4, 0. 6 and 0. 8)/PANI nanocomposites,” INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), vol. 11, no. 1, pp. 41–49, 2020, [Online]. Available: https://sid.ir/paper/322470/en

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