Hydrogen is an efficient green energy source. Herein, we report nickel vanadium phosphide/phosphate–Vulcan carbon (NiVP/Pi–VC) as effective bifunctional electrocatalyst for HER coupled with glucose oxidation, which shows lower cell voltage compared to water electrolysis.

Two 3D luminescent Cd(<sc>ii</sc>) MOFs (<bold>Cd-MOF-1</bold> and <bold>Cd-MOF-2</bold>) exposing azo functional sites displayed selective detection of Fe³⁺ Al³⁺ metal ions with high sensitivities.

Ion-selective electrodes (ISEs) with fluorous anion-exchanger membranes for the potentiometric detection of perfluorooctanoate (PFO(-)) and perfluorooctanesulfonate (PFOS(-)) were developed. Use an membrane doped tetraalkylphosphonium derivative (Rf8(CH2)2)(Rf6(CH2)2)3P(+) optimized measurement protocol resulted in limits 2.3 × 10(-9) M (1.0 ppb) PFO(-) 8.6 10(-10) (0.43 PFOS(-). With their higher selectivity over OH(-), containing alternative anion exchanger (Rf6(CH2)3)3PN(+)P((CH2)3Rf6)3 a...

A novel sandwich polyoxometalate (POM) Na12[WCo3(H2O)2(CoW9O34)2] and poly(vinylimidazolium) cation [PVIM+] in combination with nitrogen-doped carbon nanotubes (NCNTs) was developed for a highly selective ultrasensitive detection of dopamine. Conductively efficient heterogenization Co5POM catalyst by PVIM over NCNTs provides the synergy between PVIM–POM as conductive support which enhances electron transport at electrode/electrolyte interface eliminates interference ascorbic acid (AA)...

The evolution of an effective oxygen electrocatalyst is great importance for the widespread application Zn-air batteries but remains immense challenge. Thus, efficient catalyst toward reaction and reduction (OER ORR) highly essential high-performance batteries. Here, we have reported bifunctional nickel iron phosphide/phosphate (NiFeP/Pi) catalysts with various Ni/Fe ratios electrocatalysis in alkaline media. These are active OER ORR, wherein NiFe(1:2)P/Pi exhibits a low overpotential 0.21 V...

Electrochemical dinitrogen reduction (NRR) has riveted substantial attention as a greener method to synthesize ammonia (NH3) under ambient conditions. Here, B, N-containing carbon catalysts with discrete morphology were synthesized from the metal–organic framework-ionic liquid (MOF-IL) composite for NRR in neutral electrolyte medium (pH = 7). Morphology-dependent activity is witnessed, wherein C-BN@600 nanotubular able achieve high NH3 yield rate of 204 μg h–1 mgcat–1 and an F.E. 16.7% TOF...

Manganese(III) complexes of three fluorophilic salen derivatives were used to prepare ion-selective electrodes (ISEs) with ionophore-doped fluorous sensing membranes. Because their extremely low polarity and polarizability, media are not only chemically very inert but also solvate potentially interfering ions poorly, resulting in a much improved discrimination such ions. Indeed, the new ISEs exhibited selectivities for CO32– that exceed those previously reported based on nonfluorous...

An ultrasensitive novel NiFeP based flexible electrochemical sensor was developed for highly selective detection of dopamine.

The designed ionogel comprising poly(vinyl imidazole) and polyphosphoric acid exhibits rapid self-healing with robust mechanical properties that could further be enhanced by incorporation of Ca-ions into the matrix.

The key to unlock a renewable, clean, and energy-dense hydrogen fuel lies in designing an efficient oxygen evolving catalyst exhibiting high activity, stability, cost-effectiveness. This report addresses improved activity toward evolution by composite of cobalt-polyoxometalate [Co4(H2O)2(PW9O34)2]10- (CoPOM) ionic polymer, poly(vinyl butyl imidazolium) (PVIM), highly alkaline media. PVIM provides stable platform for CoPOM acts as conductive linker between the electrode surface, forming...

A novel electrochemical sensor was developed based on poly(ionic liquid) [PVIM]–cobalt polyoxometalate (Co₅POM) supported carbonaceous materials for the highly selective and ultrasensitive non-enzymatic detection of cholesterol.

An electrochemical non-enzymatic sensor based on a NiVP/Pi material was developed for the selective and sensitive determination of glucose.

Polyoxometalate composites with carbon nanotubes (PVIM–CoPOM/NCNT) towards oxygen bifunctional activity.

Metalworking fluids are a major cause of health hazards for operators apart from being sources environmental pollution, thus necessitating research in dry and minimum quantity lubrication (MQL) machining. Ionic liquids relatively new family environment-friendly chemicals that have significant potential to be employed as lubricants MQL This paper presents the results preliminary studies which three ionic based on 1-methyl 3-butylimidazolium cation were applied additives vegetable oil...

A polyoxometalate–ionic polymer composite was utilized as highly stable and efficient catalyst for high performance Li–S battery cathode with utilization of sulfur capacity retention.

The designed dimethylacetamide-based hybrid electrolyte exhibits 2.5 times lower zinc corrosion and improved sulfur cathode wettability, thus enabling a high-performance aqueous Zn/S battery.

Self-healing in a fluorous copolymer material enhances its safety index and extends working lifetime.

The present study deals with an investigation of two novel imidazolium ionic liquids bearing ether-ether (1O2O2-Im-2O1) or ether-siloxane (1O2O2-Im-1SiOSi) functionalities TFSI anion and their mixtures propylene carbonate as electrolytes in lithium-ion batteries. electrochemical stability conductivity these ILs were analyzed by studies, such cyclic voltammetry, linear sweep voltammetry impedance measurements. applicability Li-ion batteries was studied the presence a high concentration LiTFSI...

A fast-scanning ultramicroelectrode probe is employed to trace the mechanistic pathway followed by designed nitrogen containing carbon spheres in highly alkaline medium.

A novel non-enzymatic electrochemical sensor was constructed to achieve a highly selective and ultrasensitive detection of cholesterol address the problems related serious coronary heart disease. The NiVP/Pi-based exhibited ultra-high sensitivity 5510.18 μA μM-1 cm-2 36.8 for 1 nM 10 μM 100 mM cholesterol, respectively, with an ultra-low limit aM, along superior selectivity when exposed various interferents such as ascorbic acid, glucose uric acid. Also, flexible coated onto Whatman filter...

The physico- and electrochemical behaviors of a series [WZn3(H2O)2(ZnW9O34)2]12- (Zn-WZn3) its first-row transition-metal-substituted analogues [WZn(TM)2(H2O)2(ZnW9O34)2]12- (Zn-WZn(TM)2; TM = MnII, CoII, FeIII, NiII CuII) are reported. Various spectroscopic studies, including Fourier transform infrared (FTIR) spectroscopy, UV-visible electrospray ionization (ESI)-mass spectrometry, Raman show similar spectral patterns in all sandwich polyoxometalates (POMs) because their isostructural...