La−Cu based heterogeneous perovskite catalyst for highly selective benzene hydroxylation under mild conditions

Abstract

Direct hydroxylation of benzene towards phenol with high conversion and selectivity remains a great challenge. We report herein an efficient La2CuO4 perovskite catalyst for one‐step oxidation of benzene using hydrogen peroxide under mild conditions. The catalyst was characterized using XRD, TEM, XPS, TG‐DTA, and other advanced techniques. The one‐pot hydroxylation reaction carried out at 60 °C under optimum reaction conditions in the presence of catalytic material shows benzene to phenol transformation with 51% conversion with >99% selectivity with 65 percent peroxide efficiency, respectively. The influence of reaction conditions such as temperature, amount of oxidant, reaction time and mode of addition of the oxidant was crucial in selectivity optimization.

Engineering highly selective CO2 electroreduction in Cu-based perovskites through A-site cation manipulation

“…S5a (ESI †), the binding energy at 835.1 eV is attributed to La 3d 5/2 for LCO, confirming that La is present in the +3 oxidation state. 42,43 After A-site doping, the binding energy of La shifts to 835.2 eV for LCCO, and 835.5 eV for LSCO, respectively. Additionally, the binding energy of 882.1 eV is ascribed to Ce 3d 5/2 in +4 oxidation state for LCCO (Fig.…”

Enhancing Adrenaline Sensing with Lanthanum Cuprate: A Promising Approach for a Novel Sensor

“…22 Their unique magnetic properties have multiple applications such as grids that can transmit power without energy loss, ultrafast levitating trains that ride frictionless magnets instead of rails, and quantum computing devices that use superposition and quantum entanglement to perform computation. 23,24 Later lanthanide cuprates found application as a substrates for solid oxide fuel cells (SOFS), [25][26][27][28] photo-catalyst for water splitting 29,30 catalysts for basic organic synthesis, [31][32][33] electroactive material for oxygen reduction reaction. 34,35 Recent reports describe their utility as a gas sensors for nitrogen oxides and carbon monoxide.…”