{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(1)"],"submitter":["Zhang Z"],"pubmed_abstract":["Defect engineering in semiconductor heterojunctions offers a promising route for enhancing the selectivity of photocatalytic CO<sub>2</sub> conversion. In this work, a ZnS/gel-derived TiO<sub>2</sub> photocatalyst featuring sulfur vacancies introduced via hydrazine hydrate (N<sub>2</sub>H<sub>4</sub>) treatment is developed. XRD, HRTEM, and XPS analyses confirm the formation of a crystalline heterointerface and a defect-rich ZnS surface, enabling effective interfacial electronic modulation. The optimized ZnS/gel-derived TiO<sub>2</sub>-0.48 composite achieves CH<sub>4</sub> and CO yields of 6.76 and 14.47 μmol·g<sup>-1</sup>·h<sup>-1</sup>, respectively, with a CH<sub>4</sub> selectivity of 31.8% and an electron selectivity of 65.1%, clearly outperforming pristine TiO<sub>2</sub> and the c"],"journal":["Gels (Basel, Switzerland)"],"pagination":["39"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12840932"],"repository":["biostudies-literature"],"pubmed_title":["Hydrazine-Induced Sulfur Vacancies Promote Interfacial Charge Redistribution in ZnS/Gel-Derived TiO<sub>2</sub> for Enhanced CO<sub>2</sub> Activation and Methanation."],"pmcid":["PMC12840932"],"pubmed_authors":["Yan J","Hu D","Zhang Z","Liu S","Meng Y","Gao F"],"additional_accession":[]},"is_claimable":false,"name":"Hydrazine-Induced Sulfur Vacancies Promote Interfacial Charge Redistribution in ZnS/Gel-Derived TiO<sub>2</sub> for Enhanced CO<sub>2</sub> Activation and Methanation.","description":"Defect engineering in semiconductor heterojunctions offers a promising route for enhancing the selectivity of photocatalytic CO<sub>2</sub> conversion. In this work, a ZnS/gel-derived TiO<sub>2</sub> photocatalyst featuring sulfur vacancies introduced via hydrazine hydrate (N<sub>2</sub>H<sub>4</sub>) treatment is developed. XRD, HRTEM, and XPS analyses confirm the formation of a crystalline heterointerface and a defect-rich ZnS surface, enabling effective interfacial electronic modulation. The optimized ZnS/gel-derived TiO<sub>2</sub>-0.48 composite achieves CH<sub>4</sub> and CO yields of 6.76 and 14.47 μmol·g<sup>-1</sup>·h<sup>-1</sup>, respectively, with a CH<sub>4</sub> selectivity of 31.8% and an electron selectivity of 65.1%, clearly outperforming pristine TiO<sub>2</sub> and the c","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Dec","modification":"2026-06-14T03:25:43.857Z","creation":"2026-06-14T03:15:53.899Z"},"accession":"S-EPMC12840932","cross_references":{"pubmed":["41590064"],"doi":["10.3390/gels12010039"]}}