Insight into a pure spinel CoO and boron, nitrogen, sulphur (BNS) tri-doped CoO-rGO nanocomposite for the electrocatalytic oxygen reduction reaction.

The intricate problems concerning energy require innovative solutions. Herein, we propose a smart composite nano system that can be used in a sustainable and dichotomous manner to resolve energy crises. The current study describes a new way to synthesize a pure spinel cobalt oxide (CoO) and boron (B), nitrogen (N), and sulfur (S) tri-doped CoO-reduced graphite oxide (rGO) nanocomposite (CBNS).

Numerical simulation of lead-free vacancy ordered CsPtI based perovskite solar cell using SCAPS-1D.

In recent years, vacancy-ordered halide double perovskites have emerged as promising non-toxic and stable alternatives for their lead-based counterparts in optoelectronic applications. In particular, vacancy ordered CsPtI has emerged as a star material because of its high absorption coefficient, band gap of 1.37 eV, and long minority carrier lifetime.

Hydrothermal synthesis and characterization of transition metal (Mn/Fe/Cu) co-doped cerium oxide-based nano-additives for potential use in the reduction of exhaust emission from spark ignition engines.

The goal of this work was to synthesize new cerium oxide-based nano-additives to minimise emissions from spark ignition (SI) engines fueled with gasoline blends, such as carbon monoxide (CO), unburned hydrocarbons (HC) and oxides of nitrogen (NO ). To investigate the effect of transition metal dopants on their respective catalytic oxidation activity, nano-sized CeO catalysts co-doped with Mn, Fe, Cu and Ag ions were successfully produced by a simple hydrothermal technique. The synthesis of nano-catalysts with cubic fluorite geometry was confirmed by XRD data.