Статья

Ultra-thin Two-Dimensional Trimetallic Metal–Organic Framework for Photocatalytic Reduction of CO<sub>2</sub>

Mingliang HuDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaJiahao LiuDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaShaojia SongDepartment of Applied Chemistry, College of Science, China University of Petroleum (Beijing), Beijing 102249, ChinaWeiwei WangDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaJiasai YaoDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaYixuan GongDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaChenyu LiDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaHuan LiDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaYanjie LiDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaXilin YuanDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaFang ZhaoDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, ChinaHao XuDepartment of Chemistry, Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, ChinaWeiyu SongDepartment of Applied Chemistry, College of Science, China University of Petroleum (Beijing), Beijing 102249, ChinaZhenxing LiDepartment of New Energy Science and Engineering, State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, China University of Petroleum (Beijing), Beijing 102249, China

2022en

ABI

Аннотация

Photocatalytic reduction of carbon dioxide (CO2) into high-value chemicals is a very effective way to solve the greenhouse effect, improve the utilization ratio of resources, and cope with the energy crisis. However, the low catalytic activity and poor product selectivity of the catalyst have been largely restricting its large-scale application. Herein, we successfully synthesized an ultra-thin two-dimensional trimetallic metal–organic framework (NiZrCu-BDC) nanosheet as a photocatalyst for CO2 reduction, and the average thickness of NiZrCu-BDC is about 4 nm. The NiZrCu-BDC nanosheet has the ability to reduce CO2 to methanol (41.05 μmol h–1 g–1) and ethanol (36.62 μmol h–1 g–1), and the turnover frequency of NiZrCu-BDC is 34 times more than that of NiZr-BDC. Zr and Cu doping enables enrichment of Ni surface charges to promote CO2 chemisorption, and the ultra-thin structure can shorten the electron transport path. Meanwhile, the electron density of Ni catalytical sites in NiZrCu-BDC is enhanced by doping Cu and Zr to facilitate COOH* and CHO formation, which are deemed as key species for CO2 reduction reactions to liquid products. This work provides further insights into the photocatalytic reduction of CO2 based on the multi-metal–organic framework.

Перевод пока недоступен

Идентификаторы

DOI: 10.1021/acscatal.1c05984

Цитирования и источники

Цитирований: 2Использованных источников: 0

Показатели — AkademScholar