Accessibility of dye molecules embedded in surfactant-silica hybrid materials in both powder and film forms
(2004) New Materials and Technologies in Sensor Applications, Proceedings In Sensors and Actuators, B: Chemical 100(1-2). p.107-111- Abstract
Two CTABr-silica mesophases have been prepared, one of them as a powder with hexagonal structure containing Congo Red, the other one as a film with cubic structure containing Disperse Red 1. In the former case the dye has been occluded via co-entrapping, whereas in the latter it has been covalently anchored to the silica matrix via a co-condensation route. In both systems, the dye molecules proved to be accessible to NH3 and HCl in gas phase, notwithstanding the presence of micelles in the mesophase, which results to be fully permeable to such molecules.
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https://lup.lub.lu.se/record/1a863223-58d8-4869-9f1d-47fcf212c675
- author
- Borello, L. ; Onida, B. ; Barolo, C. ; Edler, K. J. LU ; Areán, C. Otero and Garrone, E.
- publishing date
- 2004-06-01
- type
- Contribution to journal
- publication status
- published
- keywords
- Dye, Hybrid material, Ordered mesophase
- in
- Sensors and Actuators, B: Chemical
- volume
- 100
- issue
- 1-2
- pages
- 5 pages
- publisher
- Elsevier
- conference name
- New Materials and Technologies in Sensor Applications, Proceedings
- conference location
- Strasbourg, France
- conference dates
- 2003-06-10 - 2003-06-13
- external identifiers
-
- scopus:2342535088
- ISSN
- 0925-4005
- DOI
- 10.1016/j.snb.2003.12.030
- language
- English
- LU publication?
- no
- id
- 1a863223-58d8-4869-9f1d-47fcf212c675
- date added to LUP
- 2023-05-04 18:32:01
- date last changed
- 2023-06-13 09:50:46
@article{1a863223-58d8-4869-9f1d-47fcf212c675, abstract = {{<p>Two CTABr-silica mesophases have been prepared, one of them as a powder with hexagonal structure containing Congo Red, the other one as a film with cubic structure containing Disperse Red 1. In the former case the dye has been occluded via co-entrapping, whereas in the latter it has been covalently anchored to the silica matrix via a co-condensation route. In both systems, the dye molecules proved to be accessible to NH<sub>3</sub> and HCl in gas phase, notwithstanding the presence of micelles in the mesophase, which results to be fully permeable to such molecules.</p>}}, author = {{Borello, L. and Onida, B. and Barolo, C. and Edler, K. J. and Areán, C. Otero and Garrone, E.}}, issn = {{0925-4005}}, keywords = {{Dye; Hybrid material; Ordered mesophase}}, language = {{eng}}, month = {{06}}, number = {{1-2}}, pages = {{107--111}}, publisher = {{Elsevier}}, series = {{Sensors and Actuators, B: Chemical}}, title = {{Accessibility of dye molecules embedded in surfactant-silica hybrid materials in both powder and film forms}}, url = {{http://dx.doi.org/10.1016/j.snb.2003.12.030}}, doi = {{10.1016/j.snb.2003.12.030}}, volume = {{100}}, year = {{2004}}, }