Turning trash to treasure: Innovative use of exhausted desiccant waste supported zinc indium sulphide for sustainable photocatalytic abatement of tetracycline.

Employing an affordable and sustainable visible-light-driven system is crucial for organic pollutant abatement, in the field of photocatalysis. In the present investigation, a pioneering photocatalyst zinc indium sulphide, ZnInS (ZIS) supported on a silica gel matrix, SiO (SG) which is the leftover material after multiple rounds of dehumidification processes, was synthesized. The fabrication of the heterojunction facilitated enhancement in light absorption and charge separation efficiency.

A Z-scheme BiYO/g-CN heterojunction photocatalyst for the degradation of organic pollutants under visible light irradiation.

Photocatalysis is one of the fascinating fields for the wastewater treatment. In this regard, the present study deals with an effective visible light active BiYO/g-CN heterojunction nanocomposite photocatalyst with various ratios of BiYO and g-CN (1:3, 1:1 and 3:1), synthesised by a wet chemical approach. The as-synthesised nanocomposite photocatalysts were investigated via different physicochemical approaches like Fourier transform infrared (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), transmission electrons microscopy (TEM), UV-vis diffuse reflectance spectroscopy (DRS), photoluminescence (PL) and photoelectrochemical studies to characterise the crystal structure, morphology, optical absorption characteristics and photoelectrochemical properties.

Microwave-assisted synthesis of ZnO nanoparticles using different capping agents and their photocatalytic application.

This investigation reports the synthesis of ZnO nanoparticles from various sources of zinc salts via a microwave-assisted method. Furthermore, the synthesized ZnO nanoparticles were capped with different capping agents such as sodium hexametaphosphate (SHMP), polyvinylpyrrolidone (PVP), and cetylpyridinium chloride (CPC) to examine the stability and characteristics of ZnO nanoparticles. The synthesized ZnO nanoparticles were characterized with sophisticated analytical techniques such as XRD, FTIR, SEM, UV-vis DRS, Raman, and PL to understand their properties.

Construction of direct FeMoO/g-CN-2D/2D Z-scheme heterojunction with enhanced photocatalytic treatment of textile wastewater to eliminate the toxic effect in marine environment.

A novel FeMoO/g-CN-2D/2D Z-scheme heterojunction photocatalyst was prepared via wet chemical method. The observed structural morphology of FeMoO/g-CN reveals the 2D-iron molybdate (FeMoO) nanoplates compiled with the 2D-graphitic carbon nitride (g-CN) nanosheets like structure. The photocatalytic activity of the g-CN, FeMoO, and FeMoO/g-CN composites were studied via the degradation of Rhodamine B (RhB) as targeted textile dye under visible light irradiation (VLI).

A novel S-scheme Ws/BiYWO electrostatic heterostructure for enhanced photocatalytic degradation performance towards the degradation of Rhodamine B.

Constructing S-scheme heterojunction between two semiconductor materials is an effective route to increase the photocatalytic degradation efficiency. Here, a novel S-scheme WS/BiYWO heterojunction photocatalyst was prepared by wet chemical route. At the same time, the photocatalytic degradation performance of the fabricated materials was analyzed by the degradation of Rhodamine B under visible light.

Construction of direct Z-scheme g-CN/BiYWO heterojunction photocatalyst with enhanced visible light activity towards the degradation of methylene blue.

Construction of the Z-scheme heterojunction photocatalyst achieved highly improved photocatalytic ability by its high redox ability of the photoinduced e-h pairs. In the study, Z-scheme g-CN/BiYWO heterojunction photocatalyst is prepared by the single-step hydrothermal method. Further, its photocatalytic ability was assessed by degrading methylene blue under visible light exposure.

A facile synthesis of visible light driven NiVO nano-cube/BiVO nanorod composite photocatalyst with enhanced photocatalytic activity towards degradation of acid orange 7.

Photocatalysis is one of the promising method to degrade harmful organic pollutants under visible light exposure. In this work, a novel NiVO/BiVO nanocomposite has been prepared by one-pot hydrothermal method, and investigated through X-ray diffraction, FT-IR, UV-visible diffuse reflectance spectroscopy, scanning and transmission electron microscopy and photoluminescence techniques. Subsequently, the photocatalytic performance of NiVO/BiVO nanocomposite has been examined by degrading AO7 under visible light illumination.

Revealing the charge transfer mechanism in magnetically recyclable ternary g-CN/BiOBr/FeO nanocomposite for efficient photocatalytic degradation of tetracycline antibiotics.

Pharmaceutical compounds in water bodies pose hazards to the ecosystem because of their biotoxicity potency. To eradicate such pharmaceutical compounds, a novel g-CN/BiOBr/FeO nanocomposites was prepared using a simplistic route and appraised for photodegradation of model tetracycline antibiotics. The g-CN/BiOBr/FeO nanocomposites exhibited complete tetracycline degradation in just 60 min exposure of simulated light irradiation, which is 6 times higher than the g-CN.

One-step synthesis of rod-on-plate like 1D/2D-NiMoO/BiOI nanocomposite for an efficient visible light driven photocatalyst for pollutant degradation.

Visible light active 1D/2D-NiMoO/BiOI nanocomposite photocatalyst has been constructed by single step solvothermal method. Various compositions of NiMoO/BiOI nanocomposites are prepared by loading different amounts of nickel molybdate (NiMoO) (1, 2, 3 wt%) to the bismuth oxy iodide (BiOI) and investigated by XRD, FTIR, SEM, EDAX, TEM, UV-vis DRS, and PL analysis. Among the as-prepared photocatalysts, 1 wt% NiMoO incorporated BiOI (NMBI-1) showed superior photocatalytic activity with a rate constant of 0.

Synthesis of new series of quinoline derivatives with insecticidal effects on larval vectors of malaria and dengue diseases.

Mosquito borne diseases are on the rise because of their fast spread worldwide and the lack of effective treatments. Here we are focusing on the development of a novel anti-malarial and virucidal agent with biocidal effects also on its vectors. We have synthesized a new quinoline (4,7-dichloroquinoline) derivative which showed significant larvicidal and pupicidal properties against a malarial and a dengue vector and a lethal toxicity ranging from 4.

Complete photocatalytic degradation of tetracycline by carbon doped TiO supported with stable metal nitrate hydroxide.

Visible light-driven carbon-doped TiO supported with metal nitrate hydroxide (CT-Ni/Co/Cu) nanocomposites were prepared and characterized by various studies. It is fascinating to note that particle size of TiO was substantially reduced from 5 μm to 50 nm after doping of carbon which was confirmed by FESEM. Moreover, the incorporation of stable metal (Cu) nitrate hydroxide further enhanced the visible light absorption up to 800 nm as evident by UV-DRS.

Fabrication of novel AgVO/BiOI nanocomposite photocatalyst with photoelectrochemical activity towards the degradation of Rhodamine B under visible light irradiation.

In the present work, a visible light driven AgVO/BiOI nanocomposite photocatalyst with different wt % (1, 2, 3) of AgVO was fabricated by using facile hydrothermal method. Further, the nanocomposite was characterized by FT-IR, XRD, SEM, TEM, EDS, UV-vis DRS, photoluminescence and photoelectrochemical studies. The structural characterization showed nanorods on nanosheet surface.

Anthracene-based fluorescent probe: Synthesis, characterization, aggregation-induced emission, mechanochromism, and sensing of nitroaromatics in aqueous media.

The sensitive and selective detection of nitroexplosive molecules thorough a simple methodology has received a significant field of research affecting global security and public safety. In the present study, the synthesis of anthracene-based chalcone (S1) was conducted using a simple condensation method. S1 was found to exhibit unique properties, such as aggregation-induced emission in solution and mechanochromic behavior in solid state.

A straightforward synthesis of visible light driven BiFeO/AgVO nanocomposites with improved photocatalytic activity.

Herein, an efficient visible-light-driven BiFeO/AgVO nanocomposite was effectively fabricated via a facile co-precipitation procedure. The physicochemical properties of BiFeO/AgVO nanocomposites were investigated via Fourier transform-infrared (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence (PL), UV visible diffuse reflectance spectroscopy (DRS) and photoelectrochemical studies (PEC). The photocatalytic activity (PCA) of BiFeO/AgVO nanocomposites was assessed with regard to the photocatalytic degradation of Rhodamine-B (RhB) when subjected to visible light irradiation (VLI).

Cost-Effective Synthesis of Efficient CoWO/Ni Nanocomposite Electrode Material for Supercapacitor Applications.

In the present study, the synthesis of CoWO (CWO)-Ni nanocomposites was conducted using a wet chemical method. The crystalline phases and morphologies of the Ni nanoparticles, CWO, and CWO-Ni composites were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy-dispersive X-ray spectroscopy (EDAX). The electrochemical properties of CWO and CWO-Ni composite electrode materials were assessed by cyclic voltammetry (CV), and galvanostatic charge-discharge (GCD) tests using KOH as a supporting electrolyte.

Sonoelectrochemistry for energy and environmental applications.

Sonoelectrochemistry is the study of the effects and applications of ultrasonic waves on electrochemical processes. The integration of ultrasound and electrochemistry offers many advantages: fast reaction rates, enhanced surface activation, and increased mass transport at an electrode. Significant progress has been made in advancing basic and applied aspects of sonoelectrochemical techniques, which are herein reviewed by addressing the development and applications of sonoelectrochemical processes in energy and environmental areas.

An overview of cephalosporin antibiotics as emerging contaminants: a serious environmental concern.

Antibiotics have been categorized as emerging pollutants due to their indiscriminate usage, continuous input and persistence in various environmental matrices even at lower concentrations. Cephalosporins are the broad-spectrum antibiotics of β-lactam family. Owing to its enormous production and consumption, it is reported as the second most prescribed antibiotic classes in Europe.

Highly Electroactive Ni Pyrophosphate/Pt Catalyst toward Hydrogen Evolution Reaction.

Robust electrocatalysts toward the resourceful and sustainable generation of hydrogen by splitting of water via electrocatalytic hydrogen evolution reaction (HER) are a prerequisite to realize high-efficiency energy research. Highly electroactive catalysts for hydrogen production with ultralow loading of platinum (Pt) have been under exhaustive exploration to make them cutting-edge and cost-effectively reasonable for water splitting. Herein, we report the synthesis of hierarchically structured nickel pyrophosphate (β-NiPO) by a precipitation method and nickel phosphate (Ni(PO)) by two different synthetic routes, namely, simple cost-effective precipitation and solution combustion processes.

Bioengineered silver nanoparticles as potent anti-corrosive inhibitor for mild steel in cooling towers.

Silver nanoparticle-aided enhancement in the anti-corrosion potential and stability of plant extract as ecologically benign alternative for microbially induced corrosion treatment is demonstrated. Bioengineered silver nanoparticles (AgNPs) surface functionalized with plant extract material (proteinacious) was generated in vitro in a test tube by treating ionic AgNO with the leaf extract of Azadirachta indica that acted as dual reducing as well as stabilizing agent. Purity and crystallinity of the AgNPs, along with physical and surface characterizations, were evaluated by performing transmission electron microscopy, Fourier transform infrared spectroscopy, energy dispersive x-ray spectra, single-area electron diffractions, zeta potential, and dynamic light scattering measurements.

Iron and iron oxide nanoparticles are highly toxic to Culex quinquefasciatus with little non-target effects on larvivorous fishes.

The control of filariasis vectors has been enhanced in several areas, but there are main challenges, including increasing resistance to insecticides and lack of cheap and eco-friendly products. The toxicity of iron (Fe) and iron oxide (FeO) nanoparticles has been scarcely investigated yet. We studied the larvicidal and pupicidal activity of Fe and FeO nanoparticles against Culex quinquefasciatus.

Highly active MoS/carbon electrocatalysts for the hydrogen evolution reaction - insight into the effect of the internal resistance and roughness factor on the Tafel slope.

Molybdenum disulphide (MoS) nanomaterials are promising non-precious-metal electrocatalysts for the hydrogen evolution reaction. MoS/carbon electrocatalysts have been synthesized with the carbon component serving the purpose of enhancing electron transport. The impedance method of Tafel analysis has been employed to evaluate the efficiency of various carbon supports in aiding facile electron transport.

Physical and chemical effects of acoustic cavitation in selected ultrasonic cleaning applications.

Acoustic cavitation in a liquid medium generates several physical and chemical effects. The oscillation and collapse of cavitation bubbles, driven at low ultrasonic frequencies (e.g.