Morphology-tuned ZnO and Ag/ZnO nanostructures for photoelectrochemical water splitting and hydrogen-sensing applications

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dc.contributor.authorAli, Hassan
dc.contributor.authorSisman, Orhan
dc.contributor.authorGuler, Ali Can
dc.contributor.authorMacko, Michal
dc.contributor.authorRana, Surjyakanta
dc.contributor.authorUrbanek, Pavel
dc.contributor.authorMachovsky, Michal
dc.date.accessioned2026-04-04T13:35:02Z
dc.date.available2026-04-04T13:35:02Z
dc.date.issued2025
dc.departmentİnönü Üniversitesi
dc.description.abstractZnO nanorods topped by ZnO nanowire web-like structures were synthesized hydrothermally and functionalized with Ag nanoparticles via photoreduction. In addition to characterizations by XRD, SEM, and UV-vis, surface decoration effects on chemiresistive hydrogen sensing and on photoelectrochemical hydrogen production were investigated. The samples exhibited stable and excellent detection for hydrogen at 150 degrees C temperature over the range from 500 to 25 000 ppm. Ag nanodecoration enhanced the sensor sensitivity significantly, especially at lower hydrogen concentrations. The performance of samples utilized as photoanodes in photoelectrochemical water splitting under AM 1.5G irradiation was evaluated. For the Ag/ZnO sample, a significantly higher photocurrent (0.20 mA/cm2) was achieved compared to the ZnO sample (0.15 mA/cm2), which was attributed to extended visible light absorption of the Ag/ZnO sample. Additionally, the samples exhibited bactericidal efficacy greater than 99.99 % against both gram-positive and gram-negative bacteria, preventing the electrodes and sensors from biological poisoning in any intended application.
dc.description.sponsorshipMinistry of Education, Youth and Sports of the Czech Republic [LTT20010, RP/CPS/2024-28/007]; Zlin region of the Czech Republic [CIT - ZK]; Slovak Research and Development Agency [VEGA 1/0045/24]; Inonu University [FCD-2021-2587]
dc.description.sponsorshipThis work was supported by the Ministry of Education, Youth and Sports of the Czech Republic within the frame of the program INTER-EXCELLENCE [grant number LTT20010] and DKRVO [grant number RP/CPS/2024-28/007] . Ali Can Gueler and Hassan Ali also express their gratitude to the Zlin region of the Czech Republic for support within the Creativity, Intelligence & Talent for the Zlin Region program [grant number CIT - ZK] . Also, this work has received funding from the Slovak Research and Development Agency [grant number VEGA 1/0045/24] . Necmettin Kilinc further acknowledges funding from Inonu University project [grant number FCD-2021-2587] .
dc.identifier.doi10.1016/j.ijhydene.2025.04.109
dc.identifier.endpage551
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.orcid0000-0002-9090-4681
dc.identifier.orcid0000-0002-6230-3352
dc.identifier.orcid0000-0002-1016-5170
dc.identifier.orcid0000-0003-2510-970X
dc.identifier.orcid0000-0002-2480-6602
dc.identifier.orcid0000-0003-2123-2938
dc.identifier.orcid0000-0003-2510-970X
dc.identifier.scopus2-s2.0-105002363637
dc.identifier.scopusqualityQ1
dc.identifier.startpage542
dc.identifier.urihttps://doi.org/10.1016/j.ijhydene.2025.04.109
dc.identifier.urihttps://hdl.handle.net/11616/109576
dc.identifier.volume126
dc.identifier.wosWOS:001470151800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Journal of Hydrogen Energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250329
dc.subjectNanostructured ZnO
dc.subjectPhotoelectrochemical
dc.subjectGas-sensing
dc.subjectHydrogen detection
dc.subjectAntibacterial
dc.titleMorphology-tuned ZnO and Ag/ZnO nanostructures for photoelectrochemical water splitting and hydrogen-sensing applications
dc.typeArticle

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