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http://hdl.handle.net/1942/4108
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DC Field | Value | Language |
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dc.contributor.author | TRUIJEN, Ine | - |
dc.contributor.author | VAN BAEL, Marlies | - |
dc.contributor.author | VAN DEN RUL, Heidi | - |
dc.contributor.author | D'HAEN, Jan | - |
dc.contributor.author | MULLENS, Jules | - |
dc.date.accessioned | 2007-12-10T10:47:30Z | - |
dc.date.available | 2007-12-10T10:47:30Z | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 43(3). p. 291-297 | - |
dc.identifier.issn | 0928-0707 | - |
dc.identifier.uri | http://hdl.handle.net/1942/4108 | - |
dc.description.abstract | This study describes the synthesis of nanocrystalline titania layers on silicon and glass substrates by chemical solution deposition, using a water-based citratoperoxo-Ti(IV) precursor solution. The same aqueous solution-gel precursor is used for deposition of, both, thin dense layers by spin-coating and thicker porous layers by tape-casting. In the latter, the precursor solution is modified by the addition of polyvinyl alcohol (PVA), which acts as a thickener and pore-forming agent. Phase composition, film morphology, and the hydrophilic character of the films are studied by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-VIS transmission measurements, variable angle spectroscopic ellipsometry (VASE), and by contact angle measurements. The thin 180 nm titania film, deposited from the unmodified precursor solution, shows a density of about 96%. Upon ultraviolet illumination, it acquires a highly hydrophilic surface. One hour of illumination is sufficient to obtain a water contact angle of almost 0 degrees. Furthermore, the hydrophilisation process shows to be reversible. Tape-casting and thermal treatment of the modified precursor solution gives rise to the formation of a 500 nm thick, porous, pure anatase film. The nanocrystalline thick film is composed of 20-40 nm particles, and contains clearly defined pores of 20 nm, homogeneously distributed along the surface. | - |
dc.language.iso | en | - |
dc.publisher | SPRINGER | - |
dc.subject.other | titanium dioxide; superhydrophilic; pore forming agent; porous | - |
dc.title | Preparation of nanocrystalline titania films with different porosity by water-based chemical solution deposition | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 297 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 291 | - |
dc.identifier.volume | 43 | - |
local.format.pages | 7 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Hasselt Univ, Inst Mat Res, Lab Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium. IMEC, Div IMOMEC, B-3590 Diepenbeek, Belgium. Hasselt Univ, Mat Res Inst, Phys Anal Grp, B-3590 Diepenbeek, Belgium.Truijen, I, Hasselt Univ, Inst Mat Res, Lab Inorgan & Phys Chem, Agoralaan-Bldg D, B-3590 Diepenbeek, Belgium.ine.truijen@uhasselt.be marlies.vanbael@uhasselt.be heidi.vandenrul@uhasselt.be jan.dhaen@uhasselt.be jules.mullens@uhasselt.be | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1007/s10971-007-1587-x | - |
dc.identifier.isi | 000248381400004 | - |
item.accessRights | Closed Access | - |
item.fulltext | No Fulltext | - |
item.validation | ecoom 2008 | - |
item.contributor | TRUIJEN, Ine | - |
item.contributor | VAN BAEL, Marlies | - |
item.contributor | VAN DEN RUL, Heidi | - |
item.contributor | D'HAEN, Jan | - |
item.contributor | MULLENS, Jules | - |
item.fullcitation | TRUIJEN, Ine; VAN BAEL, Marlies; VAN DEN RUL, Heidi; D'HAEN, Jan & MULLENS, Jules (2007) Preparation of nanocrystalline titania films with different porosity by water-based chemical solution deposition. In: JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 43(3). p. 291-297. | - |
crisitem.journal.issn | 0928-0707 | - |
crisitem.journal.eissn | 1573-4846 | - |
Appears in Collections: | Research publications |
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