Multiplicative rGO/Cu-BDC MOF for 4-nitrophenol reduction and supercapacitor applications.

Two-dimensional nanosheets, with their distinct characteristics, are widely used in various applications such as water splitting, supercapacitors, catalysis etc. In this research, we produced Cu-BDC MOF nanosheets by using CuO nanotubes for metal ions and HBDC as the organic linker. We combined these Cu-BDC MOF nanosheets with reduced graphene oxide (rGO) to form a nanocomposite.

Synergistic effect of Ag decorated in-liquid plasma treated titanium dioxide catalyst for efficient electrocatalytic CO reduction application.

Recently, the conversion of carbon dioxide (CO) into a useful resource and its byproducts by electrocatalytic reduction has been studied. It is well known that CO can be selectively reduced by gold, lead, etc. supported on conductive carbon.

Enhanced degradation of ibuprofen using a combined treatment of plasma and Fenton reactions.

Advanced oxidation technologies (AOTs) proved to be effective in the degradation of hazardous organic impurities like acids, dyes, antibiotics etc. in the last few decades. AOTs are mainly based on the generation of reactive chemical species (RCS) such as hydroxyl, superoxide radicals etc.

Enhanced Photocatalytic Degradation Activity Using the VO/RGO Composite.

Semiconductor-based photocatalyst materials played an important role in the degradation of organic compounds in recent years. Photocatalysis is a simple, cost-effective, and environmentally friendly process for degrading organic compounds. In this work, vanadium pentoxide (VO) and VO/RGO (reduced graphene oxide) composite were synthesized by a hydrothermal method.

Chemically Synthesized Iron-Oxide-Based Pure Negative Electrode for Solid-State Asymmetric Supercapacitor Devices.

Among energy storage devices, supercapacitors have received considerable attention in recent years owing to their high-power density and extended cycle life. Researchers are currently making efforts to improve energy density using different asymmetric cell configurations, which may provide a wider potential window. Many studies have been conducted on positive electrodes for asymmetric supercapacitor devices; however, studies on negative electrodes have been limited.

Photocatalytic degradation of tetracycline antibiotics using hydrothermally synthesized two-dimensional molybdenum disulfide/titanium dioxide composites.

Tetracycline (TC) is a persistent antibiotic used in many countries, including China, India, and the United States of America (USA), because of its low price and effectiveness in enhancing livestock production. However, such antibiotics can have toxic effects on living organisms via complexation with metals, and their accumulation leading to teratogenicity and carcinogenicity. In this study, two-dimensional molybdenum disulfide/titanium dioxide (MoS/TiO) composites with different amounts of molybdenum disulfide (MoS) were prepared via a simple, cost-effective, and pollution-free hydrothermal route.

Nanoflakes-like nickel cobaltite as active electrode material for 4-nitrophenol reduction and supercapacitor applications.

Catalytic reduction of nitroaromatic compounds present in wastewater by nanostructured materials is a promising process for wastewater treatment. A multifunctional electrode based on ternary spinal nickel cobalt oxide is used in the catalytic reduction of a nitroaromatic compound and supercapacitor application. In this study, we designed nanoflakes- like nickel cobaltite (NiCoO) using a simple, chemical, cost-effective hydrothermal method.

Ultrasound assisted synthesis of highly active nanoflower-like CoMoS electrocatalyst for oxygen and hydrogen evolution reactions.

Rapid technological development requires sustainable, pure, and clean energy systems, such as hydrogen energy. It is difficult to fabricate efficient, highly active, and inexpensive electrocatalysts for the overall water splitting reaction: the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The present research work deals with a simple hydrothermal synthesis route assisted with ultrasound that was used to fabricate a 3D nanoflower-like porous CoMoS electrocatalyst.

Photocatalytic degradation of bisphenol A using titanium dioxide@nanodiamond composites under UV light illumination.

Different types of organic impurities such as dyes, acids, and alcohols are discharged into potable water sources. The removal of these hazardous organic pollutants from wastewater is an important task globally. However, the conventional methods used to remove organic impurities suffer from low efficiency and recycling problems.

Three-dimensional nanoflower-like hierarchical array of multifunctional copper cobaltate electrode as efficient electrocatalyst for oxygen evolution reaction and energy storage application.

The study deals with the hydrothermal growth of a CuCoO hierarchical 3D nanoflower-like array on carbon cloth (CuCoO@CC), which is a useful multifunctional electrode. The electrocatalytic oxygen evolution reaction (OER) study of the CuCoO@CC electrode shows high durability and good activity in 1 M KOH. As an energy storage electrode, it shows a high specific capacitance of 1438 Fg at 10 mA cm in a 3 M KOH electrolyte.

Enhanced photocatalytic performance of ultrasound treated GO/TiO composite for photocatalytic degradation of salicylic acid under sunlight illumination.

The current research work deals with the preparation of TiO and GO/TiO composite by simple, chemical, cost effective hydrothermal method. Graphene oxide (GO) is prepared by modified Hummer's method. Dispersion of GO is achieved by an ultrasonic cleaning bath for 1 h.

Synthesis of multifunctional FeCoO electrode using ultrasonic treatment for photocatalysis and energy storage applications.

To overcome problem of energy crises, and water pollution, multifunctional nanoflower-like FeCoO is synthesized for energy storage and photocatalysis applications. The nanoflower-like FeCoO possesses charge transportation ability. The nanoflower-like morphology of FeCoO is designed by simple hydrothermal synthesis with use of probe sonicator.

Ultrasound assisted growth of NiCoO@carbon cloth for high energy storage device application.

The nanostructure of metal oxides attracts great attention in the field of supercapacitors because of fast charge transport process. The hydrothermal method is used for development of NiCoOnanostructure on carbon cloth as current collector backbone. The stepwise study of various structural, morphological and electrochemical properties of NiCoOelectrode is studied.

Sonochemical synthesis of CZTS photocatalyst for photocatalytic degradation of phthalic acid.

In recent year, sonochemistry has fascinated some interest in the fabrication of nanostructured materials and functional nanoparticles because the chemical activity of ultrasound may cause different effects such as the generation of heat, mass transfer or intimate contact between materials, distribution of contaminated layers of chemicals and generation of free chemical radicals. In this work, CuZnSnS (CZTS) photocatalyst is prepared by simple, cost effective, sonochemical method and used for photocatalytic degradation of phthalic acid. The ultrasonic treatment affects the structural, morphological, optical, contact angle properties of CZTS photocatalyst.

Ultrasound assisted synthesis of WO-ZnO nanocomposites for brilliant blue dye degradation.

The present work deals with the preparation of WO and WO-ZnO nanocomposites in presence of ultrasonic irradiation, and its use in the sonocatalytic degradation of brilliant blue dye. WO-ZnO nanocomposite is prepared using one step in-situ ultrasound assisted method. The successfully prepared WO and WO-ZnO nanocomposites were characterized using different characterization techniques such as XRD, Raman, BET, FE-SEM and EDS.

Photoelectrocatalytic degradation of oxalic acid using WO and stratified WO/TiO photocatalysts under sunlight illumination.

The WO and stratified WO/TiO thin films are successfully prepared by the spray pyrolysis method. The structural, morphological, compositional and photoelectrocatalytic properties of WO and stratified WO/TiO thin films are studied. XRD analysis confirms that films are polycrystalline with monoclinic and tetragonal crystal structures for WO and TiO respectively.

Photoelectrocatalytic degradation of benzoic acid using Au doped TiO2 thin films.

Highly transparent pure and Au doped TiO2 thin films are successfully deposited by using simple chemical spray pyrolysis technique. The effect of Au doping onto the structural and physicochemical properties has been investigated. The PEC study shows that, both short circuit current (Isc) and open circuit voltage (Voc) are (Isc=1.