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Updated: Jun 6, 2025

CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light
Published on: June 12, 2019
A cobalt-tetraphenylporphyrin-based hypercrosslinked polymer for efficient CO2 photoreduction to CO
Saif Ullah1, Xunliang Hu1, Yaqin Zhang1
1Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road No. 1037, Wuhan, 430074, P. R. China. bien.tan@mail.hust.edu.cn.
Abstract:
One of the main impediments during the CO2 photocatalytic reduction process is controlling a particular product's selectivity while keeping a high conversion rate. The adsorption and affinity of the catalyst for CO2 are key factors for achieving highly efficient CO2 reduction. Herein, we report a novel photocatalytic material, cobalt anchored onto a tetraphenylporphyrin-based hypercrosslinked polymer (HCP-CoTPP), which was designed for the efficient photoreduction of CO2 to CO with an impressive evolution rate of 1449.9 μmol g-1 h-1 and nearly 100% selectivity in the presence of [Ru(Bpy)3]Cl2 as a photosensitizer and sacrificial agent under visible light irradiation.
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