Principles, synthesis and applications of dual Z-scheme photocatalysts

The design and preparation of dual Z-scheme photocatalytic system with stable and powerful redox ability, has became an effective strategy to solve the environmental pollution and energy crisis in recent years. Based on the advantages of dual Z-scheme photocatalysts such as fast charge carrier separation and transfer rate, wide range of light response, etc., significant progress has been made in recent years. In this review, the charge carrier transfer paths and construction principles of dual Z-scheme photocatalysts are focused on, the formation process of dual Z-scheme photocatalysts and their mechanism of action in the photocatalytic process are elucidated at the molecular level. Traditional characterization techniques and theoretical calculation methods are introduced to distinguish electron transfer paths. The applications of dual Z-scheme photocatalysts in the degradation of organic pollutants, conversion of inorganic pollutants, water splitting, and CO2 conversion are summarized. Finally, dual Z-scheme photocatalysts' challenges and application prospects of as a new material are presented. (C) 2022 Elsevier B.V. All rights reserved.

Automated summary

The design and preparation of dual Z-scheme photocatalytic system have been proven effective in addressing environmental pollution and energy crisis. This review focuses on the charge carrier transfer paths and construction principles of dual Z-scheme photocatalysts, elucidating their mechanism of action at the molecular level. The applications of these photocatalysts in organic pollutant degradation, inorganic pollutant conversion, water splitting, and CO2 conversion are summarized, along with the challenges and prospects of this new material.