关于“构建联级Z型异质结定向电荷转移的能量平台:无助催化剂的CO_(2)光还原”文章的评论(Angewandte Chemie-International Edition, 2021)  

Comment on“Energy platform for directed charge transfer in the cascade Z-scheme heterojunction:CO_(2) photoreduction without a cocatalyst”(Angewandte Chemie-International Edition,2021)

作　　者：曲阳[1] 边辑 白林鹭 井立强[1] QU Yang;BIAN Ji;BAI Linlu;JING Liqiang(Key Laboratory of Functional Inorganic Materials Chemistry,Ministry of Education,School of Chemistry and Materials Science,Heilongjiang University,Harbin 150080,China)

机构地区：[1]黑龙江大学化学化工与材料学院功能无机材料化学教育部重点实验室,哈尔滨150080

出　　处：《黑龙江大学自然科学学报》2025年第1期1-4,共4页Journal of Natural Science of Heilongjiang University

基　　金：国家自然科学基金委-云南省联合基金重点项目(U2102211)。

摘　　要：太阳能驱动的光催化反应在未来构建低碳可持续社会方面具有广阔的应用前景,合理设计和合成高效Z型异质结光催化材料并有效促进光生电荷分离是提高光催化性能的关键。常规Z型异质结体系中往往存在Ⅱ型异质结电荷转移路径,不利于光催化性能的提高。因此,有效抑制Ⅱ型异质结电荷转移、提高电荷分离效率对于发展高效Z型光催化体系至关重要。黑龙江大学井立强和伦敦大学学院唐军旺等在Angewandte Chemie-International Edition上发表的成果,成功地发展了引入宽带隙氧化物半导体作为能量平台的普适性策略,有效地抑制了与Z型电荷转移路径相竞争的II型异质结电荷转移,形成了高效的联级Z型体系,并利用时间分辨荧光光谱等手段深入地揭示了异质结材料的光生电荷转移与分离机制,对设计高活性纳米异质结光催化材料具有重要的意义。Photocatalysis driven by solar energy has broad applications in building a sustainable,low-carbon society.The rational design and synthesis of efficient Z-scheme heterojunction photocatalytic materials,along with the effective enhancement of photogenerated charge separation,are crucial for improving photocatalytic performance.Conventional Z-scheme heterojunction systems are often accompanied by a charge transfer path characteristic of typeⅡheterojunctions,which hinders the enhancement of photocatalytic activity.Therefore,effectively suppressing typeⅡcharge transfer while improving charge separation efficiency is essential for developing highly efficient Z-scheme photocatalytic materials.In a study published in Angewandte Chemie International Edition,Liqiang Jing of Heilongjiang University and Junwang Tang of University College London(UCL)introduced a universal strategy for introducing wide-bandgap oxides as energy platforms.This approach effectively inhibits the type II charge transfer that competes with the desired Z-scheme pathway,facilitating the fabrication of an efficient cascade Z-scheme system.The charge transfer and separation mechanisms in heterojunction materials were systematically analyzed using time-resolved spectroscopy and other techniques,providing critical insights for the design of highly active nano-heterojunction photocatalytic materials.

关 键 词：光催化 电荷分离 Z型异质结 时间分辨荧光光谱 

分 类 号：O64[理学—物理化学]