物理化学学报2026，Vol.42Issue(4)：121-136,16.DOI:10.1016/j.actphy.2025.100175
MOF衍生的g-C3N4/ZnIn2S4 S型异质结:界面工程增强光催化NO转化
MOF-derived g-C3N4/ZnIn2S4 S-scheme heterojunction:interface-engineering enhanced photocatalytic NO conversion
摘要
Abstract
Addressing the growing challenge of nitrogen oxides(NOx)pollution in the atmosphere requires the development of photocatalysts with both high efficiency and strong selectivity.In this study,a g-C3N4/ZnIn2S4(CN/ZIS)S-scheme heterojunction photocatalyst was constructed,in which ZnIn2S4 with a hollow tubular morphology was synthesized via a MOF-derived strategy,and g-C3N4 served as an efficient electron transfer platform.The optimized CN/ZIS-0.1 exhibited remarkable photocatalytic efficacy under visible-light radiation,attaining a NO removal efficiency of 67.29%,markedly surpassing that of pristine g-C3N4(41.41%)and ZIS(27.8%).Additionally,a high NO-to-nitrate selectivity of 77.47%was attained,exceeding that of pristine g-C3N4(49.01%).The material characterization results revealed that CN/ZIS-0.1 not only has a wider light absorption range but also its unique structure provides more reaction sites.Further photoelectrochemical measurements and DFT simulations confirm that the built-in electric field(BIEF)formed at the CN/ZIS interface facilitates the directional migration of photogenerated electrons towards the g-C3N4 surface,and photogenerated holes migrate towards the surface of ZIS,thereby promoting the generation of key reactive species and enhancing NO adsorption.This work not only demonstrates the potential of constructing S-scheme heterojunctions by coupling MOF-derived hollow structures with two-dimensional semiconductors for NO oxidation,but also offers an effective strategy for developing highly selective NO photocatalysts.关键词
光催化/NO转化/g-C3N4/ZnIn2S4异质结/界面工程/S型异质结Key words
Photocatalysis/NO conversion/g-C3N4/ZnIn2S4 heterojunction/Interface engineering/S-scheme分类
化学化工引用本文复制引用
邱艳平,张佳桐,李林萍,高旸钦,李宁,戈磊..MOF衍生的g-C3N4/ZnIn2S4 S型异质结:界面工程增强光催化NO转化[J].物理化学学报,2026,42(4):121-136,16.基金项目
本研究由国家自然科学基金(52473327,51802351,51572295,21273285) （52473327,51802351,51572295,21273285）
国家重点研发计划(2021YFA1501300,2019YFC1907602)和中国石油大学(北京)科研基金(2462017YJRC048)资助 （2021YFA1501300,2019YFC1907602）
