{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["2(6)"],"submitter":["Shiraishi Y"],"pubmed_abstract":["Photocatalytic generation of H<sub>2</sub>O<sub>2</sub> from water and O<sub>2</sub> under sunlight is a promising artificial photosynthesis reaction to generate renewable fuel. We previously found that resorcinol-formaldehyde resin powders prepared with a high-temperature hydrothermal method become semiconductors comprising π-conjugated/π-stacked benzenoid-quinoid donor-acceptor resorcinol units and are active for photocatalytic H<sub>2</sub>O<sub>2</sub> generation. Here, we have prepared phenol-resorcinol-formaldehyde resins with small amounts of phenol (∼5 mol % relative to resorcinol), which show enhanced photocatalytic activity. Incorporating phenol bearing a single -OH group in the resin matrices relaxes the restriction on the arrangement of the aromatic rings originating from the H-bonding interactions between the resorcinol -OH groups. This creates stronger donor-acceptor π-stacking and increases the electron conductivity of the resins. We have demonstrated that simulated sunlight illumination of the resins in water under an atmospheric pressure of O<sub>2</sub> stably generated H<sub>2</sub>O<sub>2</sub> with more than 0.9% solar-to-chemical conversion efficiency."],"journal":["ACS materials Au"],"pagination":["709-718"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9928396"],"repository":["biostudies-literature"],"pubmed_title":["Solar-Driven Generation of Hydrogen Peroxide on Phenol-Resorcinol-Formaldehyde Resin Photocatalysts."],"pmcid":["PMC9928396"],"pubmed_authors":["Miura K","Tanaka S","Shiraishi Y","Jio M","Ichikawa S","Hirai T"],"additional_accession":[]},"is_claimable":false,"name":"Solar-Driven Generation of Hydrogen Peroxide on Phenol-Resorcinol-Formaldehyde Resin Photocatalysts.","description":"Photocatalytic generation of H<sub>2</sub>O<sub>2</sub> from water and O<sub>2</sub> under sunlight is a promising artificial photosynthesis reaction to generate renewable fuel. We previously found that resorcinol-formaldehyde resin powders prepared with a high-temperature hydrothermal method become semiconductors comprising π-conjugated/π-stacked benzenoid-quinoid donor-acceptor resorcinol units and are active for photocatalytic H<sub>2</sub>O<sub>2</sub> generation. Here, we have prepared phenol-resorcinol-formaldehyde resins with small amounts of phenol (∼5 mol % relative to resorcinol), which show enhanced photocatalytic activity. Incorporating phenol bearing a single -OH group in the resin matrices relaxes the restriction on the arrangement of the aromatic rings originating from the H-bonding interactions between the resorcinol -OH groups. This creates stronger donor-acceptor π-stacking and increases the electron conductivity of the resins. We have demonstrated that simulated sunlight illumination of the resins in water under an atmospheric pressure of O<sub>2</sub> stably generated H<sub>2</sub>O<sub>2</sub> with more than 0.9% solar-to-chemical conversion efficiency.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Nov","modification":"2025-04-04T21:47:27.498Z","creation":"2025-04-04T21:47:27.498Z"},"accession":"S-EPMC9928396","cross_references":{"pubmed":["36855546"],"doi":["10.1021/acsmaterialsau.2c00041"]}}