Abstract Development of clean and sustainable renewable energy sources is imperative to deal with the future crises. Various technologies have been developed in this context, for example, water electrolysis, reversible fuel cell metal‐air batteries etc. However, sluggish kinetics oxygen evolution reaction (OER) occurring at anode these storage/conversion systems becomes a significant hurdle. Recently, researchers utilized noble metals as electrocatalysts enhance their efficiency still high...

The recent promise of the hybridization mesoporous carbon with transition metal oxides as a desirable catalyst for oxygen evolution reaction (OER), and its extension to hydrogen (HER) achieve goal overall water splitting applications, remains major challenge. Here, unique environmentally benign Co3O4/WO3/C bifunctional electrocatalyst is developed from converting cellulose waste, specifically in form sugarcane bagasse, by pyrolysis followed two-step hydrothermal strategy that can catalyze...

We have prepared a graphitic carbon nitride (g-C3N4) composite with MoO3-decorated Co3O4 nanorods (Co3O4/MoO3/g-C3N4) via the hydrothermal approach, and this hybrid material acts as highly active durable electrocatalyst for water splitting reactions. This could fundamentally influence catalytic processes performance of oxygen evolution reaction (OER) hydrogen (HER). The OER HER activities Co3O4-/MoO3-based are enhanced by blending conducting support, example, nitrides (g-C3N4). X-ray...

Fuel cell technology is the supreme alternate option for replacement of fossil fuel in current era. Pt alloys can perform well as electrodes being used catalytic materials to very notorious oxygen reduction reaction. In this regard, first, a layered metal-organic framework with empirical formula [C8H10CdO7] n ·4H2O synthesized and characterized using various experimental theoretical techniques. Then, nanostructured porous carbon material sheet morphology (PC900) having high BET surface area...

Development of economical and high-performance electrocatalysts for the oxygen evolution reaction (OER) is tremendous interest future applications as sustainable energy materials. Here, a unique member efficient OER has been developed based upon structurally versatile dumbbell-shaped ternary transition-metal (Cu, Ni, Co) phosphates with three-dimensional (3D) (Cu2(OH)(PO4)/Ni3(PO4)2·8H2O/Co3(PO4)2·8H2O) (CNCP) structure. This structure prepared using simple aqueous stepwise addition metal...

The development of a MOFs-derived multilevel hierarchy in single step still remains challenging task. Herein, we have synthesized novel Cu-MOF via slow diffusion method at ambient temperature and further utilized it as precursor source for MOF-derived (Cu/CuxO@NC, x = 1 2). This studies suggest that the organic ligands served an N-doped carbon matrix encapsulated with metal oxide nanoparticles which were confirmed by various characterization techniques; BET analysis reveals surface area...

Abstract Although sulfide‐based materials are known to be efficient catalysts for oxygen evolution reactions (OER), hydrogen (HER), and supercapacitor applications, improving the catalytic activity of sulfide both electrochemical water splitting supercapacitors remains a challenging problem. Here, an easy one‐step integrated methodology is implemented develop NiS/MoS 2 anchored multiwall carbon nanotubes (MWCNT/NiS/MoS ) that can effectively robustly catalyze HER OER. The MWCNT/NiS/MoS...

Abstract 2D transition‐metal sulfides have developed as favorable electroactive materials for electrochemical energy storage and conversion applications. In this work, WS 2 /mesoporous carbon (MC) is by a one‐step hydrothermal technique supercapacitor oxygen evaluation reaction (OER) application. However, the metal poor rate cyclic performance due to aggregations between two layers of structures restricting their performance. The interaction nanosheets MC produces synergistic effect,...

Multifunctional ABO3 perovskite oxide nanomaterial was found to be an exceptional electrocatalyst for the oxygen evolution reaction (OER), a key anodic in water electrolysis. To modify properties of electrocatalysts, different activation strategies have been used recent years. This study uses combination two strategies, namely, doping and nanocomposite fabrication, generate as OER. Here, we demonstrated this by synthesizing LaFeO3 nanoparticles with percentages cobalt on B-site using sol–gel...

Altering the morphology of electrochemically active nanostructured materials could fundamentally influence their subsequent catalytic as well oxygen evolution reaction (OER) performance. Enhanced OER activity for mixed-metal spinel-type sulfide (CuCo2S4) nanorods is generally done by blending material that has high conductive supports together with those having a surface volume ratio, example, graphitic carbon nitrides (g-C3N4). Here, we report noble-metal-free CuCo2S4 nanorod-based...

An easy, environmentally benign, and biomimetic approach employing Azadirachta indica (neem) leaf extract as a reducing well capping agent was used for the fabrication of gold (Au)/zinc oxide (ZnO) hybrid nanoflowers in one pot without utilizing any hazardous chemicals. The different phytoconstituents, example, nimbolide, azadirachtin, ascorbate, etc., present A. synergistically reduce gold(III) ions to gold(0), which later on acts an active surface growth zinc via thermal decomposition...

It is essential to design high-efficiency, stable, and inexpensive electrocatalysts for the oxygen evolution reaction (OER). We fabricate a hybrid system of perovskite LaCoO3 with spinel NiCo2O4 denoted LaCoO3/NiCo2O4 via an in situ hydrothermal process. In incorporation nanoparticles on nanoflower surface confirmed by field emission scanning electron microscopy (FESEM) transmission (TEM) images. Benefiting from interface engineering, obtained nanoflowers exhibit lowest overpotential 353 at...

To ensure the sustainability of energy, dihydrogen (H2) constitutes best alternative to fossil fuels for a fully renewable and clean energy carrier with highest density. The effective abundant electrocatalysis water is crucial achieving large-scale practical hydrogen evolution. This study introduces simple efficient method synthesizing Co3O4/MoS2@g-C3N4 (CMCN) heterostructure catalyst. CMCN composite material has evolution reaction (HER) kinetic activity across several experimental...

In electrochemistry, predicting the mechanistic pathway for hydrogen evolution reaction (HER) can be challenging, as it is constantly altered by electronic and geometrical structures of surface electrocatalyst. However, through a combined experimental theoretical approach, we have successfully demonstrated functions nitrogen (N) dopants in NiS/Ni3S4 catalysts. Here, developed cost-effective, environmentally friendly, highly efficient electrochemical HER catalyst using N-doped nanowire via...

Finding a suitable replacement for expensive and scarce precious metal electrocatalysts the oxygen evolution reaction (OER) remains challenging task. There is need to research highly efficient long-lasting catalysts based on transition metals that are readily available Earth electrochemical evolution. In this study, zinc cobalt sulfide (ZnCo2S4) was derived by hydrothermal treatment of salt precursors thioacetamide, followed calcination at 700 °C ZnCr2O4 create ZnCo2S4/ZnCr2O4 composite...

Development of cutting edge materials using a benevolent ecologically cordial methodology is an ideal approach for heterogeneous visible light photocatalysis. A new biogenic photocatalyst was developed by coupling titanium dioxide (TiO2) decorated elongated rhombic shape silver chromate (Ag2CrO4) with gold (Au) and reduced graphene oxide (r-GO) dye degradation applications under light. An positive utilized to develop the quaternary Ag2CrO4/TiO2/Au/r-GO nanostructures biofilm via impregnation...

Spinel-type LiMn1.5Ni0.5O4 has been paid temendrous consideration as an electrode material because of its low cost, high voltage, and stabilized electrochemical performance. Here, we demonstrate the mechanism iron (Fe) integration into via solution methods followed by calcination at a temparature, efficient electrocatalyst for water splitting. Various microscopic structural characterizations crystal structure affirmed Fe lattice constitution cubic LiMn1.38Fe0.12Ni0.5O4 crystal. Local...

An eco-friendly approach was used to produce the binary papain/Ni 3 (PO 4 ) 2 in presence of papain, which is derived from green papaya fruits. Rod shape Papain/Ni showed excellent OER activities alkaline, neutral and acidic media.

In recent years, the oxygen evolution reaction (OER) has garnered considerable attention as a pivotal process for water electrolysis. The progress of this hinges on efficacy catalyst. present study, role DNA origami-assembled gold nanobipyramid (Au NBP) dimer structure was explored initiating electrocatalytic activity water-splitting reaction. Through strategic integration origami technology and Au NBPs, study aims to orchestrate precise modulation electrocatalyst architecture achieve...

The development of low-cost, durable, and highly efficient bifunctional electrocatalysts for water splitting across various media is essential clean energy production.