Enhanced piezocatalytic RhB degradation with ZnSnO Nanocube-modified BiTiO composite catalyst by harnessing ultrasonic energy.

With the increasing demand for effective methods to address environmental pollution, piezocatalysis has emerged as a promising approach for pollutant degradation under mechanical energy. However, the development of highly efficient piezocatalytic materials remains a challenge. This study aimed to increase the piezocatalytic activity of bismuth titanate (BiTiO) by modifying it with zinc stannate (ZnSnO) nanocubes.

Enhanced piezocatalytic and piezo-photocatalytic dye degradation via S-scheme mechanism with photodeposited nickel oxide nanoparticles on PbBiOBr nanosheets.

The fabrication of an S-scheme heterojunction demonstrates as an efficient strategy for achieving efficient charge separation and enhancing catalytic activity of piezocatalysts. In this study, a new S-scheme heterojunction was fabricated on the PbBiOBr surface through the photo-deposition of NiO nanoparticles. It was then employed in the piezoelectric catalytic degradation of Rhodamine B (RhB).

Synthesis of Efficient S-Scheme Heterostructures Composed of BiPO and KNbO for Photocatalytic N Fixation and Water Purification.

The preparation of catalysts with heterojunction structures is a strategy to achieve efficient charge separation and high photocatalytic activity of photocatalysts. In this work, BiPO/KNbO heterostructure photocatalysts were fabricated by a combination of hydrothermal and precipitation methods and subsequently employed in catalyzing N-to-NH conversion and RhB degradation under light illumination. Morphological analysis revealed the effective dispersion of BiPO on KNbO nanocubes.

One-step fabrication of Cu-doped BiMoO microflower for enhancing performance in photocatalytic nitrogen fixation.

This study enhances the photocatalytic N immobilization performance of BiMoO through Cu doping. Cu-doped BiMoO was synthesized via a simple solvothermal method. Various characterizations were implemented to examine the influence of Cu doping on the properties of BiMoO.

Novel BiWO/ZnSnO heterojunction for the ultrasonic-vibration-driven piezocatalytic degradation of RhB.

This study designed and prepared a new piezoelectric catalytic nanomaterial, BiWO/ZnSnO, and applied it in piezocatalytic water purification. Results indicated that the composite had superior piezocatalytic efficiency and stability in rhodamine B (RhB) degradation under ultrasonic vibration. The BiWO/ZnSnO sample with 10% BiWO had the optimum activity with a degradation rate of 2.

A novel NiO/BaTiO heterojunction for piezocatalytic water purification under ultrasonic vibration.

This work designed and prepared a novel heterojunction composite NiO/BaTiO through a method of photodeposition and used it in piezocatalytic dye removal for the first time. Results of the piezocatalytic test indicated that the NiO/BaTiO composite presented superior efficiency and stability in the RhB degradation under the vibration of ultrasonic waves. The best NiO/BaTiO sample synthesized under light irradiation for 2 h displayed an RhB degradation rate of 2.