Preparation and characterisation of BiOCl nano photocatalyst for the remediation of wastewater under LED light DOI
Brijesh Pare,

Roshni Joshi,

S.P.S. Mehta

et al.

International Journal of Environmental & Analytical Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 25

Published: Dec. 22, 2024

Dye, a major global pollutant causing environmental and health issues, can be effectively degraded through photocatalysis. This study synthesised bismuth oxychloride (BiOCl) nano-photocatalyst via hydrolysis characterized it using various analytical instruments. The UV-Vis absorbance of the displayed peaks at 211 nm, 361 688 with band gap 3.0 eV, conduction minimum 1.97 valence maximum 4.97 eV. dynamic light scattering showed 3349 nm 660 while BiOCl had zeta potential -17.3 mV conductivity 0.245 mS/cm. X-ray diffraction exhibited four sharp intensity 11.95º, 25.81º, 32.50º, 33.40º, average crystallite size was 43.39 scanning electron microscope plate-like morphology. achieved 88.21% degradation methyl green within 60 minutes under LED irradiation pH 7.5 dye concentration 6×10−6 mol/L. photocatalytic performance, driven by hydroxyl (•OH) superoxide (O2•−) radicals, 96.55% mineralization as confirmed COD analysis. These findings emphasize for effective sustainable wastewater remediation visible conditions.

Language: Английский

Photocatalytic, antibacterial and antioxidant study of Vitex negundo mediated green synthesized nickel and neodymium doped zinc oxide nanoparticles DOI

Sheetal Sharma,

Meena Devi, Pankaj Kumar

et al.

Toxicological & Environmental Chemistry Reviews, Journal Year: 2025, Volume and Issue: 107(1), P. 178 - 206

Published: Jan. 2, 2025

Language: Английский

Citations

1
Polymer/phytochemical mediated eco-friendly synthesis of Cu/Zn doped hematite nanoparticles revealing biological properties and photocatalytic activity DOI
Pankaj Kumar, Vedpriya Arya, Ashwani Kumar

et al.

International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde), Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Abstract Unique magnetically recoverable copper/zinc-doped hematite nanoparticles, were synthesized by using a co-precipitation process with polymer polyvenylpyrodine and an aqueous extract of the Azadirachta indica plant serving as capping stabilizing agent. Hematite nanoparticles are most stable form iron oxide at room temperature, presented work concentrated on effects comparisons chemically green doped materials that serve dual role reducing agents: supporting biomedical application catalyzing environmental cleanup through photocatalysis. The prepared characterized X-ray diffraction, UV–vis spectroscopy, Fourier-transform infrared Raman vibrating-sample magnetometry, scanning electron microscopy, transmission microscopy techniques to examine produced material. average grain size for was found be 13.33–19.90 nm based diffraction measurements. spectroscopy spectrum demonstrates function biomolecules in nanoparticles. ferrimagnetic character demonstrated Vibrating-sample magnetometer investigation showed dependence 300 K. According phytochemical study, A. has components enhance its photocatalytic antioxidant activity. In comparison, chemical/green noticeably higher activity oxidative breakdown hazardous organic dyes Rhodamine blue Congo red. Additionally, photocatalyst displayed outstanding stability reaction. Radical scavenger assays 2,2-diphenyl-1-picrylhydrazyl 2,2′-Azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) used measure capability. Based assay, bran husk fractions levels This research is regarded novel step production particular biological characteristics wide use environmental, agricultural areas.

Language: Английский

Citations

1
Synthesis of Zinc Oxide Nanoparticles and Their Potential Application in the Detection of Latent Fingerprints DOI Creative Commons

B Elena Flores,

Maribel Guzmán, Rolf Grieseler

et al.

Journal of Cluster Science, Journal Year: 2025, Volume and Issue: 36(2)

Published: March 19, 2025

Language: Английский

Citations

1
Development of a reusable Fe2O3-PANI/CdS nanocomposite for efficient and sustainable treatment of malachite green dye DOI
S. Yousef Ebrahimipour,

Zohreh Salimi,

S. Jamilaldin Fatemi

et al.

Journal of Materials Science Materials in Electronics, Journal Year: 2024, Volume and Issue: 35(35)

Published: Dec. 1, 2024

Language: Английский

Citations

8
Photocatalytic antibacterial scaffold for inhibiting bacterial infection: Carriers separation, ROS generation and antibacterial action DOI
Pei Feng,

Ruizhong He,

Feng Yang

et al.

Sustainable materials and technologies, Journal Year: 2024, Volume and Issue: unknown, P. e01205 - e01205

Published: Dec. 1, 2024

Language: Английский

Citations

6
A naturally derived Sm3+-doped CaCO3 photocatalyst for the degradation of major organic dyes from wastewater DOI

E. Thenpandiyan,

Vimala Ramasamy,

G. Suresh

et al.

Ionics, Journal Year: 2025, Volume and Issue: unknown

Published: March 19, 2025

Language: Английский

Citations

0
Efficient photocatalytic methylene blue dye degradation from green-synthesized silver-doped iron oxide (Ag@Fe2O3) nanostructures DOI Creative Commons
Vikram Jadhav,

Yash Dhanwate,

Prakash D. Raut

et al.

Discover Nano, Journal Year: 2025, Volume and Issue: 20(1)

Published: April 4, 2025

This study presents an environmentally friendly method for synthesizing Ag@Fe2O3 nanostructures through a hydrothermal technique that utilizes Saussurea obvallata leaf extract as reducing and capping agent. The material was characterized using UV-Vis, FTIR, XRD, SEM-EDX, TEM-SAED-line profile analysis. UV-Vis shows maximum absorbance peak at 380 nm, showing band gap of 3.26 eV. FTIR analysis revealed several functional groups (vibrational modes), including 944 514 cm-1 (Fe-O) 445 (Ag-O). XRD spectra confirmed the crystalline nature and, Scherrer equation, showed average crystallite size 49.57 nm. EDX presence only Ag, Fe, O elements. SEM TEM-SAED analyses echinus-like morphology with interplanar spacing 126 pm nanostructures. photocatalytic activity investigated degradation methylene blue (MB) dye in UV-visible light irradiation. It observed 97.10% MB occurred within 60 min, rate constant half-life being 0.03025 min-1 22.90 respectively. deduced synergistic interaction Ag Fe2O3 promoted separation charge, significantly diminishing electron-hole recombination. research plant readily available, cost-effective, way to produce highly efficient photocatalysts degrading wastewater compounds.

Language: Английский

Citations

0
Exploring Cu-substituted Zn nanoferrites: synthesis, structural, magnetic, morphological, and antibacterial properties DOI

Mohammed B. Jumaa,

Tahseen H. Mubarak, Ali M. Mohammad

et al.

Journal of Sol-Gel Science and Technology, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

Language: Английский

Citations

0
Green synthesis of BaSO4@SiO2 core–shell and BaSO4@ZIF-8 nanocomposite and assessment of their cytotoxicity effects and photocatalytic performance DOI Creative Commons
Mohsen Ahmadzadeh, Masoud Mirzaei, Zahra Sabouri

et al.

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: April 11, 2025

This article presents a new process for in situ synthesizing barium sulfate/tetraethoxysilane (TEOS) core-shell (BaSO4@SiO2) and sulfate/zeolitic imidazolate framework-8 (ZIF-8) nanocomposite (BaSO4@ZIF-8). The patterns obtained from the X-ray Diffraction (XRD) analysis compounds BaSO4, SiO2, ZIF-8 showed orthorhombic, monoclinic, cubic phases space groups Pnma, C12/c1 Pn-3 m. Furthermore, confirmation of synthesis these was achieved through application Fourier Transform Infrared (FTIR) spectroscopy. Field emission scanning electron microscopy (FESEM) images spherical morphology with uniform distribution. photocatalytic efficacy BaSO4@SiO2 BaSO4@ZIF-8 assessed terms their capacity to degrade Methylene blue (MB) dye (10-5 M), resulting degradation percentages 95.9% 98.57% after 120 min, respectively. In present study, cellular toxicity investigated on B16-F0 cell line, IC50 values were 232.2 537.5 µg/mL

Language: Английский

Citations

0
Chemical and green synthesized Co/Ni-doped hematite nanoparticles for enhancing the photocatalytic and antioxidant properties DOI
Pankaj Kumar, Ajeet Kaushik, Sunil Kumar

et al.

Physica Scripta, Journal Year: 2024, Volume and Issue: 99(10), P. 105960 - 105960

Published: Aug. 23, 2024

Abstract This research focuses on developing environmentally friendly and economically viable Co/Ni-doped hematite nanoparticles (HNPs) through both chemical green synthesis methods evaluated their potential for biomedical environmental applications. The employs polyvinylpyrrolidone (PVP), while the approach utilizes Azadirachta indica ( A. ) leaf extract as a stabilizing agent. HNPs are crystalline size ranging from 14 to 21 nm, morphology analysis revealed that NPs exhibited quasi-spherical, with an average particle 15.98 25.91 dopants confirmed contain by XPS spectra. VSM study explains magnetic parameters, coactivity, residual magnetism, magnetization. plants quinones, saponins, glycosides, alkaloids, flavonoids. Characterization of reveals optimized enhanced photocatalytic activity. These exhibit remarkable 93%–95% degradation UV-reactive dyes (methyl orange methylene blue) within 90 min, attributed structural surface modifications improve light absorption enhance charge separation. concludes green-synthesized outperform chemically synthesized counterparts superior photocatalysts. Additionally, antioxidant evaluations using 2,2-diphenyl-1-picrylhydrazyl (DPPH) nitric oxide (NO) assays suggest significant capabilities. A high scavenging activity percentage, 83% 88%, was observed, which increased higher concentrations making these suitable applications require system. In this study, IC 50 values against DPPH/NO assay were calculated be 18.33 μg ml −1 16.09 , respectively. highlights multifunctional properties HNPs, addressing demand tailored inorganic minimal ecological impact.

Language: Английский

Citations

3