N. Sobti, S. Chaguetmi, S. Achour, S. Gam-Derouich, P. Decorse, S. Nowak, S. Ammar
{"title":"Photoelectrochemical properties of TiO2 nanofibers coated by copper oxide nanoparticles using sputtering and chemical bath deposition","authors":"N. Sobti, S. Chaguetmi, S. Achour, S. Gam-Derouich, P. Decorse, S. Nowak, S. Ammar","doi":"10.1007/s10853-024-10468-z","DOIUrl":null,"url":null,"abstract":"<div><p>TiO<sub>2</sub> nanofibers (NFs), grown on Ti sheets by hydrothermal treatment, were coated with Cu<sub>2</sub>O nanoparticles (NPs) using sputtering or chemical bath deposition (CBD) in order to improve their photoelectrochemical (PEC) water splitting capabilities as photoanodes. Scanning electron microscopy (SEM) and X-ray photoelectron (XPS) spectroscopy confirmed the production of the desired Cu<sub>2</sub>O-TiO<sub>2</sub>/Ti hetero-nanostructures, while PEC measurements evidenced a net improvement of the produced photocurrent under standard xenon lamp illumination, compared to the pristine TiO<sub>2</sub>/Ti structure. Moreover, it appears that the sputtered composite photoanodes provide a higher photocurrent compared to the CBD made ones, meaning that their oxide/oxide interfaces are of better crystalline quality, supplying a larger number of electrons to the Pt cell cathode for H<sup>+</sup> reduction to H<sub>2</sub>, through the external PEC cell circuit.</p></div>","PeriodicalId":645,"journal":{"name":"Journal of Materials Science","volume":"59 47","pages":"21801 - 21816"},"PeriodicalIF":3.9000,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Materials Science","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s10853-024-10468-z","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
TiO2 nanofibers (NFs), grown on Ti sheets by hydrothermal treatment, were coated with Cu2O nanoparticles (NPs) using sputtering or chemical bath deposition (CBD) in order to improve their photoelectrochemical (PEC) water splitting capabilities as photoanodes. Scanning electron microscopy (SEM) and X-ray photoelectron (XPS) spectroscopy confirmed the production of the desired Cu2O-TiO2/Ti hetero-nanostructures, while PEC measurements evidenced a net improvement of the produced photocurrent under standard xenon lamp illumination, compared to the pristine TiO2/Ti structure. Moreover, it appears that the sputtered composite photoanodes provide a higher photocurrent compared to the CBD made ones, meaning that their oxide/oxide interfaces are of better crystalline quality, supplying a larger number of electrons to the Pt cell cathode for H+ reduction to H2, through the external PEC cell circuit.
期刊介绍：
The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.
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