Retraction notice to "NiMoO4 nanorods photocatalytic activity comparison under UV and visible light" [Environ. Res. 197 (2021) 111073].

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/locate/withdrawalpolicy).

Efficient photocatalytic degradation of organic pollutants using α-SnWO with g-CN nanocomposites for wastewater remediation.

Wastewater management has become necessary in this industrialized era to meet the water needs of the world. Wastewater is one of the major crises in depletion of the environment. Photocatalysis is considered as the best way to remove pollutants.

Novel synthesis of CuHCF/B-rGO composites for oxygen evolution reaction activity.

In this work, we have focused on the preparation of copper hexacyanoferrate/boron doped rGO composites (abbreviated as CuHCF/B-rGO) by employing simple co-precipitation technique subsequently processed with ultrasonication method. The XRD spectra confirmed the existence of the cubic structure of copper hexacyanoferrate with high crystalline peaks. The prepared nanocomposite morphology was evaluated by scanning electron microscopy (SEM), and confirmed CuHCF nanoparticles formation with flake-like and wrinkled sheets.

Facile Synthesis of Ni-MgO/CNT Nanocomposite for Hydrogen Evolution Reaction.

In this study, the pristine MgO, MgO/CNT and Ni-MgO/CNT nanocomposites were processed using the impregnation and chemical vapor deposition methods and analyzed for hydrogen evolution reaction (HER) using the electrochemical water splitting process. Furthermore, the effect of nickel on the deposited carbon was systematically elaborated in this study. The highly conductive carbon nanotubes (CNTs) deposited on the metal surface of the Ni-MgO nanocomposite heterostructure provides a robust stability and superior electrocatalytic activity.

Sr doped TiO photocatalyst for the removal of Janus Green B dye under visible light.

Hydrothermal synthesis of pristine and Sr doped TiO is proposed. The synthesized products were studied for their physiochemical properties. 3% Sr-TiO showed a narrow bandgap, which facilitate an increase in oxygen vacancies.

Biological evaluation of polycyclic chalcone based acrylamides in human MCF-7 and HeLa cancer cell lines.

Breast and cervical cancer account for the majority of cancer-narrated fatalities among women worldwide, necessitating the development of novel, effective therapeutic ways to combat the disease. In this study, we synthesized 6-methoxy naphthalene and anthracene-based acrylamide chalcone (NBA and ABA) and evaluated its activity for cell multiplication inhibition against two cancer cell lines from humans such as MCF-7 (Human Breast) and HeLa (Cervical) by MTT assay. Physiochemical characterization, such as FT-IR and NMR analyses, validated the synthesized NBA and ABA.

Rare earth metal (Sm)-doped NiMnO nanostructures for highly competent alkaline oxygen evolution reaction.

In the present work, samarium-doped nickel manganese oxide was produced by employing a straightforward co-precipitation method. A peak with a 2 of 36° corresponded to the (110) plane confirming the formation of the rhombohedral crystal structure of NiMnO. The existence of Mn-O and Ni-O stretching vibration modes was confirmed by Raman spectroscopy.

Conversion and reducing agent effect on zero valent iron into FeO for photocatalytic degradation under UV light irradiation.

Conversion and reducing agent (NaBH) effect on zero valent iron into FeO nanoparticles with diverse molar ratios of reducing agent was produced through chemical reduction technique. The structural, optical, vibrational analyses were executed via XRD, UV-Vis, Raman, and FT-IR analysis. The crystallite size obtained were 35 nm, 27 nm, and 18 nm for Fe:NaBH (1:1), Fe:NaBH (1:2) and Fe:NaBH (1:3).

Investigation of optimum Mn dopant level on TiO for dye degradation.

Pristine and Mn-TiO photocatalysts was prepared employing sophisticated hydrothermal technique. TiO, 0.2 M, 0.

Effect of grinding time on bismuth oxyhalides optical and morphological properties influence on photocatalytic removal of organic dye.

Herein, we reported the synthesis of BiOX (X = Cl, Br) with different grinding time like 15 min and 30 min to analyze the evolution of physiochemical properties and the morphological evolution. The structural, optical, vibrational properties were examined by standard characterization studies. The formation of bismuth oxyhalides were confirmed by XRD and Raman studies.

Surfactant induced copper vanadate (β-CuVO, CuVO) for different textile dyes degradation.

In this study, pristine β-CuVO, CTAB-β-CuVO and PVP-CuVO were synthesized via hydrothermal method. The synthesized brown powder samples were exemplified using XRD, UV, PL, Raman and SEM studies. Further with XRD, we confirmed that the impurities were eradicated in addition of surfactant PVP.

Facile hydrothermal synthesis of MXene@antimony nanoneedle composites for toxic pollutants removal.

A new 2D transition metal carbides family noted that MXene with antimony (Sb) nano-needles composites have demonstrated potential applications for photocatalytic dye degradations applications. Single-step synthesis of novel structures two/one-dimensional MXene@antimony nanoneedle (MX@Sb-H) nanocomposite-based photocatalysts is produced employing hydrothermal technique. The preparations and characterizations were compared with hand mixture preparations of pure TiO@Sb and MXene (MX@Sb-M).

Fabrication of Ce doped TiO for efficient organic pollutants removal from wastewater.

Pristine and Ce doped TiO nanoparticles were fabricated for toxic pollutants removal from wastewater. Pristine, 2% Ce and 4% Ce doped TiO photocatalysts were produced via hydrothermal route. 4% Ce doped TiO exhibited 2.

Investigation of pure and g-CN loaded CdWO photocatalytic activity on reducing toxic pollutants.

A facile synthesis of pristine and g-CN loaded CdWO (Cadmium Tungstate) were reported and analyzed the effect of pollutants removal in wastewater. The samples were characterized and the morphology of the pristine sample showed the nanostructures with high cluster of layer formed. While adding PEG (Polyethylene glycol), the surface has exhibited less agglomeration and in g-CN added sample the agglomeration was intensely reduced and nanostructures have been clearly found.

Characterization of activated biomass carbon from tea leaf for supercapacitor applications.

In this study, a facile synthesis of chemical and thermal activation of biomass tea-waste materials was explored. A tea-waste biosource carbon was explored by chemical vapor deposition (CVD) method at 700 °C. The KOH-treated carbon (AC-KH) and HPO-treated carbon (AC-HP) were systematically studied for morphological characteristics and showed good morphological structures and a few transparent focused layered nanosheets.

Synthesis of pure and lanthanum-doped barium ferrite nanoparticles for efficient removal of toxic pollutants.

Treatment of wastewater for reuse is an important strategy undertaken to deal with water scarcity. In this study, pure and La-doped barium ferrites were produced using a facile hydrothermal technique. Lanthanum was doped at 1% and 2% molar ratio and the obtained product was analyzed for further confirmation of crystal structure, optical properties, vibrational properties, and morphology.

Investigation of PEG directed SbWO for dyes removal from wastewater.

Pristine and polyethylene glycol assisted antimony tungstate (SbWO) was developed via hydrothermal route. The pristine and surfactant assisted SbWO were further exemplified to reveal the properties of the samples. The bandgap calculated for SbWO, 5 ml PEG- SbWO, 10 ml PEG- SbWO was 2.

Enhanced visible light-driven photocatalytic performance of CdSe nanorods.

Cadmium selenide (CdSe) semiconductor nanorods are prepared in hydrothermal process using hydrazine hydrate (NH.HO) and ammonia (NH.HO) as reducing agents.

Facile single-step synthesis of MXene@CNTs hybrid nanocomposite by CVD method to remove hazardous pollutants.

In the present work, facile preparation of MXenes based nanocomposite (MXene-CNTs) through catalytic chemical vapor deposition (cCVD) was demonstrated. The novel design of two and one-dimensional (2D/1D) MXene-CNTs composites for an extraordinary photocatalytic process for removal of Rhodamine B (RhB) using efficient photocatalytic dye degradations was compared to the performance of pure MXene. The surface morphological behavior of MAX, MXene and MXene-CNTs rational design of surface microstructure CNTs anchored on 2D materials MXene nanosheets product was characterized employing scanning electron microscopy (SEM).

Efficient photocatalytic degradation of hazardous pollutants by homemade kitchen blender novel technique via 2D-material of few-layer MXene nanosheets.

To attain elevated class MXene (TiCTx) through a homemade kitchen blender method, high shear mechanical exfoliation is highly required for the efficient delimitations of MXene nanosheets from bulk MAX (TiAlC). We examine large-scale industrial productions of the MXene nanosheets, where combing the predicted 2D materials using a blender is a first-time novel approach with the delaminating solvent as a dimethyl sulfoxide (DMSO). And also manually created layered MXene systems (handmade) delaminating MXene sheets (MX-H) was furthermore employed for environmental dye-degradations applications.

Fluorine-implanted indium-gallium-zinc oxide (IGZO) chemiresistor sensor for high-response NO detection.

Gas sensors fabricated using In-Ga-Zn oxide (IGZO) thin films doped with Fluorine (F) were used to detect nitrogen dioxide (NO) gas. IGZO films with a thickness of 250 nm were deposited onto SiO/Si substrates via radio-frequency magnetron sputtering, followed by F-doping by an ion-implantation procedure with implant energy of 45 keV and a dose of 3 × 10 ions/cm. The NO gas detection performance of the fabricated thin-film sensors was tested at various temperatures and NO concentrations.

Investigation of electrochemical performance of an efficient TiO-CeO nanocomposite for enhanced pollution-free energy conversion applications.

The development of an economical, abundant, stable, and greatly active electrocatalyst for water oxidation is extremely important for future energy conversion system. Electrochemical water splitting is a new move toward H and O gas production. It can be used in sustainable and pollution-free energy conversion applications.

Investigation of EG-BiS nanorods photocatalytic activity under visible light for dye degradation from aquatic system.

BiS, 5 ml EG-BiS, and 10 ml EG-BiS were synthesized by employing solvothermal route. X-ray diffraction, UV-vis absorption, photoluminescence, Raman, scanning electron microscopic studies confirmed the structural, optical, morphological behaviors. The XRD pattern of BiS, 5 ml EG-BiS, and 10 ml EG-BiS was correlated well with JCPDS # 65-2435.