Design and fabrication of a novel 2D/3D ZnIn2S4@Ni1/UiO-66-NH2 heterojunction for highly efficient visible-light photocatalytic H2 evolution coupled with benzyl alcohol valorization

被引：19
作者：
Jia, Zhiwen [1 ]
Li, Rong [1 ,2 ]
Ji, Peizhu [1 ]
Xu, Zining [1 ]
Homewood, Kevin Peter [1 ]
Xia, Xiaohong [1 ]
Gap, Yun [1 ]
Zou, Jian-Ping [3 ]
Chen, Xuxing [1 ,2 ]
机构：
[1] Hubei Univ, Sch Mat Sci & Engn, Minist Educ, Hubei Key Lab Polymer Mat,Key Lab Green Preparat, Wuhan 430062, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
[3] Nanchang Hangkong Univ, Key Lab Jiangxi Prov Persistent Pollutants Preven, Nanchang 330063, Jiangxi, Peoples R China
来源：
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY | 2024年 / 357卷
基金：
中国国家自然科学基金;
关键词：
UiO-66-NH2; ZnIn2S4; Single-atom catalyst; Photocatalytic H-2 production; Selective alcohol oxidation; METAL-ORGANIC FRAMEWORKS; HYDROGEN-PRODUCTION; AEROBIC OXIDATION; WATER; BI2WO6;
D O I：
10.1016/j.apcatb.2024.124279
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Making full use of photogenerated charge carriers by careful design multifunctional photocatalysts to achieving bi-value-added production with high-efficiency is highly desirable and extremely challenge. Herein, a novel 2D/3D ZnIn2S4@Ni-1/UiO-66-NH2 (ZIS@Ni-1/UN) heterojunction with spatially separated and precise redox sites was designed and fabricated for both photocatalytic H-2 production and benzyl alcohol (BA) valorization. By precise structural regulation and modification of UiO-66 integrated with -NH2, ZnIn2S4 (ZIS) and Ni single-atom, the spatial separation of redox sites and directional electron transfer has been achieved. This realizes collaborative and efficient solar energy to chemical energy conversion. The optimal sample 5ZIS@Ni-1/UN-6 shows high photocatalytic H-2 and benzaldehyde (BAD) production rates of 11.44 mmol.g(-1).h(-1) and 10.02 mmol.g(-1).h(-1) under visible light. This work highlights the importance of rational construction for the engineering of charge behavior in heterogeneous photocatalysts with spatial separation and identifies their crucial role in promoting the photocatalytic redox coupling reactions.
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页数：11
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