{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Xiao M"],"funding":["Engineering, Architecture and Information Technology (EAIT)","ARC","Philanthropic Grant","University of Queensland (UQ)","Australian Research Council (ARC)","University of Queensland","ARC Discovery Project","DECRA","Australian Research Council"],"pagination":["e202400937"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11632563"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["17(23)"],"pubmed_abstract":["Carbon nitride photocatalysts are among the most studied candidates for efficient solar hydrogen (H<sub>2</sub>) production due to their abundance of precursors, suitable bandgap, and visible light utilization. However, the polymeric nature of carbon nitride materials raises concerns regarding the self-decomposition during photocatalytic redox processes. Yet, the operational stability of carbon nitride photocatalysts for solar H<sub>2</sub> production remains under-explored. Here we evaluate the photostability of carbon nitride photocatalysts with platinum (Pt) as the co-catalyst for solar H<sub>2</sub> evolution and significant deactivation of this photocatalyst is observed under'accelerated' testing conditions. It is demonstrated that the detachment of the Pt co-catalyst on the surface of carbon nitride is the major reason for this deactivation, which can be attributed to a synergistic effect of photo-corrosion and mechanical stirring. The photo-corrosion weakens the interfacial bonding between carbon nitride and Pt co-catalyst, while continuous collisions from the mechanical stirring promote the detachment of co-catalysts from the surface of carbon nitride. These understandings provide insights into the rational design of photocatalysts and photocatalytic systems for improved operational stability."],"journal":["ChemSusChem"],"pubmed_title":["'Accelerated' Deactivation of Carbon Nitride Photocatalyst for Solar Hydrogen Evolution."],"pmcid":["PMC11632563"],"funding_grant_id":["DE220101190","DP230100621","FL190100139","2022002231"],"pubmed_authors":["Lyu M","Xiao M","Wang Z","Wang L"],"additional_accession":[]},"is_claimable":false,"name":"'Accelerated' Deactivation of Carbon Nitride Photocatalyst for Solar Hydrogen Evolution.","description":"Carbon nitride photocatalysts are among the most studied candidates for efficient solar hydrogen (H<sub>2</sub>) production due to their abundance of precursors, suitable bandgap, and visible light utilization. However, the polymeric nature of carbon nitride materials raises concerns regarding the self-decomposition during photocatalytic redox processes. Yet, the operational stability of carbon nitride photocatalysts for solar H<sub>2</sub> production remains under-explored. Here we evaluate the photostability of carbon nitride photocatalysts with platinum (Pt) as the co-catalyst for solar H<sub>2</sub> evolution and significant deactivation of this photocatalyst is observed under'accelerated' testing conditions. It is demonstrated that the detachment of the Pt co-catalyst on the surface of carbon nitride is the major reason for this deactivation, which can be attributed to a synergistic effect of photo-corrosion and mechanical stirring. The photo-corrosion weakens the interfacial bonding between carbon nitride and Pt co-catalyst, while continuous collisions from the mechanical stirring promote the detachment of co-catalysts from the surface of carbon nitride. These understandings provide insights into the rational design of photocatalysts and photocatalytic systems for improved operational stability.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Dec","modification":"2025-04-04T01:20:31.248Z","creation":"2025-04-04T01:20:31.248Z"},"accession":"S-EPMC11632563","cross_references":{"pubmed":["38865679"],"doi":["10.1002/cssc.202400937"]}}