TiO_(2)催化剂催化CO_(2)还原的研究进展

An Overview of Carbon Dioxide Catalyzed by Titanium Dioxide Catalyst

碳排放量的不断增加导致环境问题日益严重,寻找解决途径已成为全球共同关注的焦点。通过光催化、电催化还原CO_(2)可以将其转化为有用的燃料或化学品。TiO_(2)因具有化学性质稳定、催化活性高、价格低廉、无毒无污染等优点而备受青睐。综述了光催化CO_(2)还原和电催化CO_(2)还原的反应机理;阐述了TiO_(2)在光催化和电催化还原CO_(2)中的应用和优势、不同表面改性技术对TiO_(2)的催化性能的影响以及TiO_(2)的形貌对CO_(2)还原催化活性和选择性的影响;对TiO_(2)基催化剂催化性能的提升方法进行了讨论。综述为可持续碳转化提供科学基础,并有助于进一步实验和理论探索TiO_(2)的作用机理。

The continuous increase in carbon emissions and the escalating severity of environmental issues,it has become a global focus of attention to explore feasible solutions.Converting CO_(2)into useful fuels or chemicals through photocatalysis and electrocatalysis has garnered significant interest.TiO_(2)is highly favored for its stable chemical properties,high catalytic activity,low cost,non-toxicity,and environmental friendliness.This review provides an overview of the reaction mechanisms involved in photocatalytic CO_(2)reduction and electrocatalytic CO_(2)reduction.It emphasizes the key applications and advantages of TiO_(2)in these processes,investigates the influence of different surface modification technologies on the catalytic performance of TiO_(2),explores how different morphologies of TiO_(2)affect the catalytic activity and selectivity of CO_(2)reduction,and discusses strategies for enhancing the catalytic performance of TiO_(2)-based.The overview not only contributes to the existing body of knowledge through additional experimental and theoretical research on the mechanism of titanium dioxide but also provides a scientific basis for the achievement of sustainable carbon conversion processes.