Development of highly active catalyst for the synthesis of ammonia via electrochemical dinitrogen reduction (e-NRR) is of immense challenge. We report the modification of metallic Ag with inorganic phosphate to...

Ultrasensitive dopamine and cholesterol detection necessitate critical analysis of challenges, advancements and probable strategies for real time applicability in point of care diagnostics. Here we summarized these for target analytes of interest.

Oxygen electrochemistry plays an imperative role in a renewable energy systems. Development of non-precious metal and efficient bifunctional catalyst for oxygen reduction and oxygen evolution reaction (ORR & OER) is...

Electrochemical production of NH3 by Zn-air battery would be a viable and economical approach to realize sustainable and competent energy conversion. We report the environment friendly, cost-effective and energy efficient...

Nitrogen-doped carbon nanotubes (NCNTs) were synthesized by treating HNO3-oxidized carbon nanotubes (CNTs) in NH3 flow at different temperatures. PtRu nanoparticles were decorated over NCNTs. The PtRu catalysts were prepared by...

Heteroatom doped carbon materials with mesopores are active catalysts to bring about oxygen reduction reaction in alkaline media. Here, we aim to see the sights of mesoporous-nitrogen containing carbon (MNC) prepared at three different temperatures towards selective hydrogen peroxide (H 2 O 2 ) production during oxygen reduction reaction in neutral media. A high H 2 O 2 selectivity of 85 % at 0.7 V vs. RHE is apparent with a large H 2 O 2 production rate of 9600 μmol g catalyst À 1 h À 1 and faradaic efficiency of 88.7 % for MNC-600 in 0.1 M KHCO 3 solution. The effect of electrolyte towards selectivity is also premeditated. In the end, to visualize the local H 2 O 2 production sequential chronoamperometry in SG-TC mode was performed using Pt-microelectrode at applied substrate potentials.

Electrochemical dinitrogen reduction (NRR) has riveted substantial attention as a greener method to synthesize ammonia (NH 3 ) under ambient conditions. Here, B, N-containing carbon catalysts with a discrete morphology were synthesized from the metal−organic framework-ionic liquid (MOF-IL) composite for NRR in a neutral electrolyte medium (pH = 7). Morphologydependent activity is witnessed, wherein C-BN@600 with a nanotubular morphology is able to achieve a high NH 3 yield rate of 204 μg h −1 mg cat −1 and an F.E. of 16.7% with a TOF value of 0.2 h −1 at −0.2 V vs RHE. Further, a rigorous protocol is put forward for true NH 3 estimation by tracing/eliminating any source of contamination in catalysts, electrolytes, or gas supply via ultraviolet−visible (UV−vis) spectroscopy, gas-purification methods, and isotope labeling experiments. Density functional theory predicts BN to be the favorable active site for N 2 adsorption with a reduced energy barrier in the first reduction step and sequential stabilization of the B−N bond by an adjacent carbon atom.

Herein, we manifested an expeditious and straightforward approach to formulate self-supported flexible electrode depositing NiFeS and NiFeP over carbon cloth by proficient electroless deposition, eradicating traditionally expensive sensitization and activation...