The development of inexpensive artificial photosynthetic(AP)systems,utilizing low-energy sunlight for CO_(2)reduction remains a significant challenge.Here,we report a red-light-driven CO_(2)reduction system with pyrid...The development of inexpensive artificial photosynthetic(AP)systems,utilizing low-energy sunlight for CO_(2)reduction remains a significant challenge.Here,we report a red-light-driven CO_(2)reduction system with pyridinethiolate-capped CdSe quantum dots(QDs)as the photosensitizers and a cobalt quarterpyridyl complex as the catalyst.This system,assembled from abundant elements,achieved efficient CO_(2)conversion to CO with over 97%selectivity and turnover numbers of 392 for cobalt and 7840 for QDs in aqueous solution.Over 92%selectivity was observed even at CO_(2)concentration as low as 1%,which showed potential for practical applications.To our knowledge,this is the first report of red-lightdriven CO_(2)photoreduction in QDs/catalyst-based photocatalytic systems.展开更多
基金the financial support provided by Sun Yat-sen University,Green Biotechnologies Research Center of Excellence(GBRCE)for Functional Molecular Engineering,China,the National Natural Science Foundation of China(grant no.22471301)Guangdong Basic and Applied Basic Research Foundation,China(grant no.2024A1515011465)+1 种基金Guangzhou Science and Technology Programme,China(grant no.2024A04J6419)the China Postdoctoral Science Foundation(grant nos.2022TQ0380 and 2022M723586).
文摘The development of inexpensive artificial photosynthetic(AP)systems,utilizing low-energy sunlight for CO_(2)reduction remains a significant challenge.Here,we report a red-light-driven CO_(2)reduction system with pyridinethiolate-capped CdSe quantum dots(QDs)as the photosensitizers and a cobalt quarterpyridyl complex as the catalyst.This system,assembled from abundant elements,achieved efficient CO_(2)conversion to CO with over 97%selectivity and turnover numbers of 392 for cobalt and 7840 for QDs in aqueous solution.Over 92%selectivity was observed even at CO_(2)concentration as low as 1%,which showed potential for practical applications.To our knowledge,this is the first report of red-lightdriven CO_(2)photoreduction in QDs/catalyst-based photocatalytic systems.
