Self-assembly construction of NiCo LDH/ultrathin g-C_(3)N_(4) nanosheets photocatalyst for enhanced CO_(2) reduction and charge separation mechanism study
Self-assembly construction of NiCo LDH/ultrathin g-C3N4 nanosheets photocatalyst for enhanced CO2 reduction and charge separation mechanism study作者机构:School of the Environment and Safety EngineeringInstitute for Energy ResearchJiangsu UniversityZhenjiang 212013China School of Environmental and Chemical EngineeringJiangsu University of Science and TechnologyZhenjiang 212003China School of ChemistryBiology and Materials EngineeringSuzhou University of Science and TechnologySuzhou 215009China
出 版 物:《Rare Metals》 (稀有金属(英文版))
年 卷 期:2022年第41卷第6期
页 面:2118-2128页
核心收录:
学科分类:081704[工学-应用化学] 081705[工学-工业催化] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学]
基 金:financially supported by the National Natural Science Foundation of China (Nos.22005123, 21776118,22178152 and 22008095) Jiangsu University Foundation (No.20JDG16) Jiangsu Funds for Distinguished Young Scientists (No.BK20190045) the Special Foundation of China Postdoctoral (No.2020TQ0127) Jiangsu Province Postdoctoral Science Foundation (Nos.2021K396C and 2021K382C) Jiangsu Agricultural Science and Technology Independent Innovation Fund (No.CX (21)3067) the Postgraduate High-tech Research Key Laboratory of Zhenjiang (No.SS2018002)
主 题:g-C_(3)N_(4) Photocatalytic Layered double hydroxide CO_(2)photoreduction Z-scheme
摘 要:Graphite phase carbon nitride(g-C_(3)N_(4))is a promising catalyst for artificial photocatalytic carbon dioxide(CO_(2))***,the fast carrier recombination and the inadequacy of the CO_(2)reduction active site in g-C_(3)N_(4)block the escalation of the *** this work,NiCo layered double hydroxide(NiCo LDH)nanoflowers were self-assembled with ultrathin graphite phase carbon nitride(g-C_(3)N_(4))by an ultrasonic stirring strategy utilizing the Zeta potential *** formed NiCo LDH/ultrathin g-C_(3)N_(4)nanosheets(LDH-CN)photocatalysts own the merits of rich active sites and Z-scheme heterojunction,which lead to the enhanced CO_(2)reduction activity and *** highest yields of CO and CH_(4)were 114.24 and 26.48μmol·h^(-1)·g^(-1),which were much greater than those of g-C_(3)N_(4)and ***,the enhanced selectivity for CO confirmed the strong redox ability in the LDH-CN caused by the *** heterojunction-induced built-in electrical field can promote the separation and migration of photoinduced electrons and *** study provides a theoretical basis for designing high-performance photocatalysts.