ZIF/Co-C 3 N 4 with enhanced electrocatalytic reduction of carbon dioxide activity by the photoactivation process
Source abstract
Abstract
Introducing the effect of light into an electrocatalytic system is an effective method to improve electrocatalytic carbon dioxide reduction (CO2RR). Here, the composite catalyst (ZIF/Co-C3N4) was prepared for the electrocatalytic reduction of carbon dioxide. The Faraday efficiency of the catalytic reduction of CO2 to CO under light could reach 90.34% at -0.67 V vs. the RHE (reversible hydrogen electrode), which was 30% higher than that obtained under darkness, and the overpotential was reduced by 200 mV. Chemical kinetics experiments and in-situ transient photovoltage (TPV) tests show that the reason for highly efficient CO2RR is intermediate CO2- formed by activated CO2 in the electrocatalytic system under light. This work offers a deep insight into the photo-activated electrocatalytic reduction of carbon dioxide, and also opens a new way to devise efficient catalysts for CO2RR.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · CO2 Reduction Techniques and Catalysts · Perovskite Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren'ai Road, Suzhou, 215123, China
Macao Institute of Materials Science and Engineering, Macau University of Science and Technology, Taipa 999078, Macau SAR, China
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China · Natural Science Foundation of Jiangsu Province · Special Project for Research and Development in Key areas of Guangdong Province · Collaborative Innovation Center of Suzhou Nano Science and Technology · Higher Education Discipline Innovation Project
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