{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhang X"],"funding":["National Natural Science Foundation of China","National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["2649"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11258313"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["15(1)"],"pubmed_abstract":["Hydrogen peroxide photosynthesis suffers from insufficient catalytic activity due to the high energy barrier of hydrogen extraction from H<sub>2</sub>O. Herein, we report that mechanochemically synthesized keto-form anthraquinone covalent organic framework which is able to directly synthesize H<sub>2</sub>O<sub>2</sub> (4784 μmol h<sup>-1</sup> g<sup>-1</sup> at λ > 400 nm) from oxygen and alkaline water (pH = 13) in the absence of any sacrificial reagents. The strong alkalinity resulted in the formation of OH<sup>-</sup>(H<sub>2</sub>O)<sub>n</sub> clusters in water, which were adsorbed on keto moieties within the framework and then dissociated into O<sub>2</sub> and active hydrogen, because the energy barrier of hydrogen extraction was largely lowered. The produced hydrogen reacted with "],"journal":["Nature communications"],"pubmed_title":["Keto-anthraquinone covalent organic framework for H<sub>2</sub>O<sub>2</sub> photosynthesis with oxygen and alkaline water."],"pmcid":["PMC11258313"],"funding_grant_id":["52070128, 22206125, 22376138"],"pubmed_authors":["Cheng S","Wen X","Zhang X","Zhou B","Long M","Zhang L","Chen C","Miao J"],"additional_accession":[]},"is_claimable":false,"name":"Keto-anthraquinone covalent organic framework for H<sub>2</sub>O<sub>2</sub> photosynthesis with oxygen and alkaline water.","description":"Hydrogen peroxide photosynthesis suffers from insufficient catalytic activity due to the high energy barrier of hydrogen extraction from H<sub>2</sub>O. Herein, we report that mechanochemically synthesized keto-form anthraquinone covalent organic framework which is able to directly synthesize H<sub>2</sub>O<sub>2</sub> (4784 μmol h<sup>-1</sup> g<sup>-1</sup> at λ > 400 nm) from oxygen and alkaline water (pH = 13) in the absence of any sacrificial reagents. The strong alkalinity resulted in the formation of OH<sup>-</sup>(H<sub>2</sub>O)<sub>n</sub> clusters in water, which were adsorbed on keto moieties within the framework and then dissociated into O<sub>2</sub> and active hydrogen, because the energy barrier of hydrogen extraction was largely lowered. The produced hydrogen reacted with ","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Mar","modification":"2025-04-04T03:19:51.292Z","creation":"2025-04-04T03:19:51.292Z"},"accession":"S-EPMC11258313","cross_references":{"pubmed":["38531862"],"doi":["10.1038/s41467-024-47023-y"]}}