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http://hdl.handle.net/1942/22837
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DC Field | Value | Language |
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dc.contributor.author | Roevens, Annelore | - |
dc.contributor.author | Van Dijck, Jeroen G. | - |
dc.contributor.author | TASSI, Marco | - |
dc.contributor.author | D'HAEN, Jan | - |
dc.contributor.author | CARLEER, Robert | - |
dc.contributor.author | ADRIAENSENS, Peter | - |
dc.contributor.author | Blockhuys, Frank | - |
dc.contributor.author | Meynen, Vera | - |
dc.date.accessioned | 2016-12-02T13:35:21Z | - |
dc.date.available | 2016-12-02T13:35:21Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | MATERIALS CHEMISTRY AND PHYSICS, 184, p. 324-334 | - |
dc.identifier.issn | 0254-0584 | - |
dc.identifier.uri | http://hdl.handle.net/1942/22837 | - |
dc.description.abstract | Hybrid materials are being developed to add organic functionalities to inorganic materials. Here, titanium dioxide is modified with organophosphonic acids (PAs). In several applications, the surface properties of the material play a key role in their performance (e.g. separation, sorption, catalysis). Hence, the surface properties of these materials need to be specifically adjusted to meet the requirements of each application (e.g. in membrane separation or chromatography). As the synthesis conditions have an important influence on the obtained surface properties, it is necessary to understand the impact and differences introduced by altering synthesis conditions. Different solvents are being applied for modification, but a comparative study of the impact of this change in environments is missing in literature. Therefore, our aim is to study the impact of concentration, temperature and pH in water and toluene on the properties of TiO2 modified with propylphosphonic acid (3PA). By combining complementary techniques (DRIFT, TGA and P-31/CP MAS NMR), clear differences induced by the solvent can be found. Moreover, in toluene a lower concentration of 3PA is required to obtain closed packed monolayers than in water. Furthermore, both solvent and concentration are influencing the modification degree and binding type formed on the surface. Moreover, only in water, next to the concentration, also the temperature and pH have a strong impact on the binding type of 3PA. A clear difference in thermal stability of 70 degrees C was found between both binding types. (C) 2016 The Authors. Published by Elsevier B.V. | - |
dc.description.sponsorship | The FWO (Fonds Wetenschappelijk Onderzoek) is gratefully acknowledged for the financial support granted in project GO12712N. Thanks a lot to Walter Dorinee and Gert Nuyts for the SEM EDX measurements. The Quanta 250 FEG microscope at the University of Antwerp was funded by the Hercules foundation of the Flemish Government. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.rights | © 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). | - |
dc.subject.other | monolayers; thermal properties; surfaces; FTIR | - |
dc.subject.other | Monolayers; Thermal properties; Surfaces; FTIR | - |
dc.title | Revealing the influence of the solvent in combination with temperature, concentration and pH on the modification of TiO2 with | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 334 | - |
dc.identifier.spage | 324 | - |
dc.identifier.volume | 184 | - |
local.format.pages | 11 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Roevens, Annelore; Van Dijck, Jeroen G.; Meynen, Vera] Univ Antwerp, Lab Adsorpt & Catalysis LADCA, Univ Pl 1, B-2610 Antwerp, Belgium. [Tassi, Marco; Carleer, Robert; Adriaensens, Peter] Univ Hasselt, Inst Mat Res IM0, Appl & Analyt Chem, Agoralaan 1 Bldg D, B-3590 Diepenbeek, Belgium. [D'Haen, Jan] Univ Hasselt, IMO IMOMEC, Wetenschapspk 1, B-3590 Diepenbeek, Belgium. [Blockhuys, Frank] Univ Antwerp, Dept Chem, Groenenborgerlaan 171, B-2020 Antwerp, Belgium. | - |
local.publisher.place | LAUSANNE | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
local.class | dsPublValOverrule/author_version_not_expected | - |
dc.identifier.doi | 10.1016/j.matchemphys.2016.09.059 | - |
dc.identifier.isi | 000387192200039 | - |
item.fullcitation | Roevens, Annelore; Van Dijck, Jeroen G.; TASSI, Marco; D'HAEN, Jan; CARLEER, Robert; ADRIAENSENS, Peter; Blockhuys, Frank & Meynen, Vera (2016) Revealing the influence of the solvent in combination with temperature, concentration and pH on the modification of TiO2 with. In: MATERIALS CHEMISTRY AND PHYSICS, 184, p. 324-334. | - |
item.validation | ecoom 2017 | - |
item.fulltext | With Fulltext | - |
item.accessRights | Open Access | - |
item.contributor | Roevens, Annelore | - |
item.contributor | Van Dijck, Jeroen G. | - |
item.contributor | TASSI, Marco | - |
item.contributor | D'HAEN, Jan | - |
item.contributor | CARLEER, Robert | - |
item.contributor | ADRIAENSENS, Peter | - |
item.contributor | Blockhuys, Frank | - |
item.contributor | Meynen, Vera | - |
crisitem.journal.issn | 0254-0584 | - |
crisitem.journal.eissn | 1879-3312 | - |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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roevens 1.pdf | Published version | 1.66 MB | Adobe PDF | View/Open |
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