Abstract:
Using the hydrothermal technique lanthanum-Zinc ferrites (ZnLaxFe2-xO4) and silver (1%
and 3%) doped Lanthanum-Zinc ferrites (Ag ZnLaxFe2-xO4) at X = 0.2 (for exceptional
photocatalytic activity at this concentration [93]), nanoparticles are fabricated. Rh B dye
according to its toxicity, color, and environmental hazards was used as aqueous pollutant
source for photocatalytic experiment results. The synthesized nanoparticles were
characterized by various techniques such as Fourier transform infrared spectroscopy
(FTIR), X-ray diffraction (XRD), UV-visible spectroscopy, Scanning electron
microscopy-energy dispersive X-ray analysis (SEM-EDAX), Energy dispersive
spectroscopy (EDS), and Photoluminescence (PL).The photocatalytic activity of
synthesized nanoparticles was studied by conducting the degradation of Rhodamine B (Rh
B) under the visible light. PL spectra were verified the recombination and separation time
for the synthesized nanoparticles in different light regions. 88.57% of Rh B was degraded
in 120 min using silver (3%) doped Lanthanum-Zinc Ferrite. 82.14 % was degraded in
120 min using silver(1%) doped lanthanum-Zinc-ferrites and 71.42% for lanthanum-Zinc
ferrite under visible light using 10 mg of the catalyst in 10ppm Rh B solution. The result
attests to low cost, reusable and high efficiency photocatalyst for environmental
remediation. The synthesize sample is easily separable using any external magnetic
source. UV-DRS results and PL spectra revealed exactly the same band gap energy for
LZF, ALZF1, and ALZF2 as 2.06, 1.783, and 1.770 eV respectively. Also sample UV
results show the shifting of absorption spectrum towards the visible region of light. FTIR
and XRD result show the functional and cubic spinel shape photocatalysis formation.
SEM images show the morphology of the sample. Reusability and stability experiment
exhibit the miner reduction in catalyst efficiency percentage after five cycles. According
to extraordinary applications the synthesize sample are use on large scale for IWW
treatment process in future.
