Please use this identifier to cite or link to this item: http://repository.iti.ac.id/jspui/handle/123456789/1429
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dc.contributor.authorRatnawati, Ratnawati-
dc.contributor.authorGunlazuardi, Jarnuzi-
dc.contributor.authorSlamet, Slamet-
dc.date.accessioned2023-02-13T03:06:31Z-
dc.date.available2023-02-13T03:06:31Z-
dc.date.issued2015-
dc.identifier.citationhttp://dx.doi.org/10.1016/j.matchemphys.2015.04.013en_US
dc.identifier.issn0254-0584-
dc.identifier.urihttp://repository.iti.ac.id/jspui/handle/123456789/1429-
dc.description.abstractThe effect of water content in the electrolyte solution during annealing process in the synthesis and modification of titania nanotube arrays (TNTAs) by anodic oxidation process has been investigated. Variations in annealing technique that leading to some specific properties of the TNTAs produced have been examined. Doped-TNTAs were obtained by the in-situ anodic oxidation method in glycerol containing fluoride solution followed by annealing to induce crystallization. FESEM and SEM results indicated that TNTAs with inner diameters of 49e80 nm, wall thicknesses from 28 to 42 nm and lengths from 1407 to 1570 nm were synthesized. At water content of 25 v% in the electrolyte solution, self-organized with vertical, ordered of TNTAs with relatively uniform diameter was observed. Suitable morphology of TNTAs such as well developed tubes, vertically oriented, highly ordered, long with optimal diameter and wall thickness of TNTAs could suppress recombination of electronseholes and, therefore, increase photoelectrochemical properties. Annealing with H2/Ar is found to be efficient for introducing dopant C and N into the lattice of TNTAs to form TieOeC and NeTieO (FTIR analysis). Therefore, the reducing band gap can be obtained (UVeVis DRS analysis). Annealing under H2/Ar of as-synt TNTAs with water content of 25 v% in the electrolyte solution produced anatase phase (XRD analysis) and showed optimal condition in producing the highest photocurrent densityen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectAnnealingen_US
dc.subjectSEMen_US
dc.subjectEDSen_US
dc.subjectFTIRen_US
dc.titleDevelopment of titania nanotube arrays: The roles of water content and annealing atmosphereen_US
dc.typeArticleen_US
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