Facile synthesis of Zr4+ substituted Mn0.2Co0.8Fe2−xO4 nanoparticles and their composites with reduced graphene oxide for enhanced photocatalytic performance under visible light irradiation

Published on Jul 1, 2021in Synthetic Metals3.266
· DOI :10.1016/J.SYNTHMET.2021.116766
Adeel Ahmed7
Estimated H-index: 7
(Qingdao University),
Muhammad Usman9
Estimated H-index: 9
(Qingdao University)
+ 3 AuthorsHailin Cong24
Estimated H-index: 24
(Qingdao University)
Abstract The increasing worldwide pollution of water resources with dyes has emphasized the need to develop highly versatile and effective approaches for their remediation. In this study, zirconium substituted manganese cobalt ferrite (Mn0.2Co0.8ZrxFe2−xO4) nanoparticles, and their composites with reduced graphene oxide (Mn0.2Co0.8ZrxFe2−xO4/rGO) were synthesized and used as effective photocatalyst materials for the degradation of dyes. X-ray diffraction analysis was executed to probe the cubic spinel structures of nanoparticles in the size range of 18–24 nm. Scanning Electron Microscopy revealed the formation of spherical shaped nanoparticles and their dispersion on the exfoliated surface of rGO. The saturation magnetization and remanence of samples decreased from 57.23 to 24.16 emu/g and 27.68–13.98 emu/g respectively while the coercivity of samples increased from 1067.76 Oe to 1616.97 Oe due to the incorporation of non-magnetic Zr4+ into the lattice. The BET surface area of nanoparticles and nanocomposites lies in the range of 47.52–78.33 m2/g, while the average pore size was found to be 2.48–21.43 nm. The degradation performance of as-prepared nanoparticles and nanocomposites was evaluated against Alizarin Yellow R (AYR) dye under visible light irradiation. Mn0.2Co0.8ZrxFe2−xO4/rGO nanocomposites showed higher degradation performance and 92.49% dye degradation was achieved in 70 min, while in the case of Mn0.2Co0.8ZrxFe2−xO4 nanoparticles 52.45% dye was degraded in 120 min. The effects of different operational parameters on the degradation performance of nanocomposites were investigated thoroughly. The higher photodegradation of nanocomposites was attributed to the large surface area and less magnetization, making them potential candidates for their applications in water purification.
#1Dongbo WangH-Index: 4
#2Xin YuH-Index: 2
Last. Zhao ZhangH-Index: 2
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Abstract In order to construct tighter heterostructures, a novel Z-scheme β-Bi2O3/g-C3N4 composite (xBC) was synthesized by in-situ growth method. The crystal phase, morphology, chemical composition, optical and photoelectrochemical properties of the composites were investigated by XRD, FT-IR, SEM, TEM, XPS, UV–vis DRS, EIS, etc. The characterizations verified that β-Bi2O3 nanosheets grew uniformly on the surface of g-C3N4. Meanwhile, the photocatalytic performance of xBC composites were also ev...
#1S.F. Mansour (KAU: King Abdulaziz University)H-Index: 30
#2Swelm Wageh (Menoufia University)H-Index: 28
Last. Reem Al-Wafi (KAU: King Abdulaziz University)H-Index: 13
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Abstract Rhodamine B (RhB), as perilous contaminants vastly utilized in industrial purposes, has potential role in environmental pollution. In present study a series of nanocrystalline rare earth (Sm3+) substituted magnesium-zinc ferrite with composition Mg0.2Zn0.8SmxFe2-xO4; (0 ≤ x ≤ 0.2) (MZS), for RhB degradation, were scrutinized. The sharpness and prevalence of XRD peaks emphasize its nanocrystalline nature. The lattice constant (aexp) is found to increase from 8.3818 to 8.4215 A; obeying V...
#1Muhammad Usman (Qingdao University)H-Index: 9
#2Adeel Ahmed (Qingdao University)H-Index: 7
Last. Hailin Cong (Qingdao University)H-Index: 24
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Abstract Herein, a new adsorbent Nitrilotriacetic acid β-Cyclodextrin-Chitosan (NTA-β-CD-CS) was synthesized for the effective simultaneous removal of dyes and metals. In this process, the β-CD cavities captured Methylene blue (MB) by host/guest contacts, and the remaining functional groups were able to act as adsorption sites for metal ions and Methyl orange (MO). In the single process, the maximum adsorption capacities of NTA-β-CD-CS adsorbent toward the Hg (II) MB and MO were 178.3, 162.6, an...
#1Lili Liu (ECUST: East China University of Science and Technology)H-Index: 7
#2Haosheng Mi (ECUST: East China University of Science and Technology)H-Index: 2
Last. Lei Zhou (ECUST: East China University of Science and Technology)H-Index: 19
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Abstract CoFe2O4 magnetic nanoparticles (CoFe2O4 MNPs) were used as heterogeneous catalysts to activate peroxymonosulfate (PMS) for moxifloxacin (MOX) removal in this study. The impacts of initial pH, PMS, catalyst dosage, coexisting ions, and natural organic matter (NOM) were investigated, and the possible degradation pathways of MOX were proposed. The results indicated that efficient degradation of MOX (99.8%) could be achieved in the CoFe2O4/PMS system with the optimum reaction condition (ini...
#1Lei Qin (Hunan University)H-Index: 73
#2Zhihong Wang (Hunan University)H-Index: 7
Last. Qiuya Niu (Hunan University)H-Index: 18
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Abstract To decrease the adverse environmental and health-related effects of antibiotics, a series of MnFe2O4-Au (MFO-Au) composites were prepared by simple co-precipitation and photoreduction methods for efficient photo-Fenton degradation of tetracycline (TC). The synergistic effect of MFO and gold nanoparticles (AuNPs) with high absorption of visible light and strong photogenerated carrier separation efficiency endowed MFO-Au3 an outstanding photo-Fenton catalytic performance for TC degradatio...
#1Baskaran PalanivelH-Index: 11
#2Mathiazhagan Lallimathi (Government Arts College, Coimbatore)H-Index: 3
Last. G. Ramalingam (Alagappa University)H-Index: 12
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Abstract Construction of visible-light active photocatalyst with robust stability and efficient activity towards organic pollutant degradation and the reactive radical’s production still motivate the research in the photocatalytic environmental remediation application. Herein, the effective and recyclable rGO supported g-C3N4/CoFe2O4 heterojunction was successfully prepared by the hydrothermal route. The optical property analysis demonstrated the prepared nanoparticles are visible-light active f...
#1Muhammad Tahir (UOG: University of Gujrat)H-Index: 73
Abstract In this research, the efficient role of Bi12O17ClxBr2-x in Bi2WO6/CuBi2O4 was investigated to enhance the photocatalytic activity for degradation of alizarin yellow R as a model dye and hydrogen evolution, simultaneously. The prepared samples were characterized using HR-TEM, XRD, UV–vis, BET and PL emission spectroscopy. The experimental results showed excellent photocatalytic performance for Bi2WO6/CuBi2O4/Bi12O17ClxBr2-x (2%) (100% greater than previous benchmark) among all the prepar...
Abstract Anchoring titania on carbon sphere forms a core–shell structure (TiO2@CS) which shows high-performance visible light response photocatalysis. In order to further improve such photocatalysis, herein acrylic acid (AA) is employed to modify the surface chemistry of CS so as to craft the interfacial structure between CS and TiO2. It was found that AA addition leads to morphology change from smooth to rough surface or to aggregates of smaller primary nanoparticles which, however, do not impe...
Abstract With recently increasing the environmental problems and expected energy crisis, it is necessary to synthesis a low-cost, efficient, and UV-light responsive photocatalyst for contaminants’ degradation. The nanostructured spinel Mn0.5Zn0.5-xMgxFe2O4 (x = 0.0, 0.125, 0.25, 0.375 and 0.50) ferrite were synthesized via the sol-gel method. The crystallite size was lied in nano regime ranging from 21.8 to 36.5 nm. The surface chemical composition of the Mn0.5Zn0.5-xMgxFe2O4 NPs was investigate...
Summary Zinc ferrites (ZnFe2O4), with spinel-like structure, were produced by combustion reaction synthesis in solution and heat-treated at temperatures of 400 to 1100 oC. The structural and chemical properties of the ZnFe2O4 samples were investigated by X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FT-IR), Field Emission Gun Scanning Electron Microscopy (FEG-SEM) with X-ray dispersive spectroscopy (EDS), and diffuse reflectance spectroscopy (DRS) in the ultraviolet (Uv-vis)...
Cited By1
#2M.A. Nawi (Universiti Sains Malaysia)H-Index: 18
#3Noor Nazihah Bahrudin (UPM: Universiti Putra Malaysia)H-Index: 9
Last. Ali H. Jawad (UiTM: Universiti Teknologi MARA)H-Index: 35
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#1Adeel Ahmed (Qingdao University)H-Index: 7
#2Muhammad Usman (Qingdao University)H-Index: 9
Last. Hailin Cong (Qingdao University)H-Index: 24
view all 5 authors...
Abstract null null Seeking an effective strategy to develop inexpensive and highly stable photocatalyst materials for dye degradation is of great significance to resolve the global environmental problems caused by dye abuse. Herein, we have reported the environmental-friendly synthesis of exceptionally efficient and highly sustainable hematite nanoparticles (α-Fe2O3 NPs) using Punica granatum seed extract biomolecules. The morphology and phase purity of the synthesized α-Fe2O3 NPs were executed ...
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