{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Fernandez-Izquierdo L"],"funding":["Agencia Nacional de Investigación y Desarrollo"],"pagination":["1954"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9967862"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["28(4)"],"pubmed_abstract":["The development of photoelectrode materials for efficient water splitting using solar energy is a crucial research topic for green hydrogen production. These materials need to be abundant, fabricated on a large scale, and at low cost. In this context, hematite is a promising material that has been widely studied. However, it is a huge challenge to achieve high-efficiency performance as a photoelectrode in water splitting. This paper reports a study of chemical vapor deposition (CVD) growth of hematite nanocrystalline thin films on fluorine-doped tin oxide as a photoanode for photoelectrochemical water splitting, with a particular focus on the effect of the precursor-substrate distance in the CVD system. A full morphological, structural, and optical characterization of hematite nanocrystalline thin films was performed, revealing that no change occurred in the structure of the films as a function of the previously mentioned distance. However, it was found that the thickness of the hematite film, which is a critical parameter in the photoelectrochemical performance, linearly depends on the precursor-substrate distance; however, the electrochemical response exhibits a nonmonotonic behavior. A maximum photocurrent value close to 2.5 mA/cm<sup>2</sup> was obtained for a film with a thickness of around 220 nm under solar irradiation."],"journal":["Molecules (Basel, Switzerland)"],"pubmed_title":["CVD Growth of Hematite Thin Films for Photoelectrochemical Water Splitting: Effect of Precursor-Substrate Distance on Their Final Properties."],"pmcid":["PMC9967862"],"funding_grant_id":["FONDEQUIP EQM170087","FONDEQUIP EQM150101","CONICYT-ANID National Doctorate Scholarship","Millennium Institute on Green Ammonia as Energy Vector MIGA, Millennium Science Initiative Program/ICN2021_023","FONDECYT 1201589"],"pubmed_authors":["Del Rio R","Duran B","Fernandez-Izquierdo L","Spera EL","Hevia SA","Marotti RE","Dalchiele EA"],"additional_accession":[]},"is_claimable":false,"name":"CVD Growth of Hematite Thin Films for Photoelectrochemical Water Splitting: Effect of Precursor-Substrate Distance on Their Final Properties.","description":"The development of photoelectrode materials for efficient water splitting using solar energy is a crucial research topic for green hydrogen production. These materials need to be abundant, fabricated on a large scale, and at low cost. In this context, hematite is a promising material that has been widely studied. However, it is a huge challenge to achieve high-efficiency performance as a photoelectrode in water splitting. This paper reports a study of chemical vapor deposition (CVD) growth of hematite nanocrystalline thin films on fluorine-doped tin oxide as a photoanode for photoelectrochemical water splitting, with a particular focus on the effect of the precursor-substrate distance in the CVD system. A full morphological, structural, and optical characterization of hematite nanocrystalline thin films was performed, revealing that no change occurred in the structure of the films as a function of the previously mentioned distance. However, it was found that the thickness of the hematite film, which is a critical parameter in the photoelectrochemical performance, linearly depends on the precursor-substrate distance; however, the electrochemical response exhibits a nonmonotonic behavior. A maximum photocurrent value close to 2.5 mA/cm<sup>2</sup> was obtained for a film with a thickness of around 220 nm under solar irradiation.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Feb","modification":"2025-04-20T00:20:15.19Z","creation":"2025-02-18T23:57:29.114Z"},"accession":"S-EPMC9967862","cross_references":{"pubmed":["36838942"],"doi":["10.3390/molecules28041954"]}}