Europium-based luminescent sensors for mapping pressure distribution on surfaces
Authors:
- Maciej Pilch,
- Joanna Ortyl,
- Anna Chachaj-Brekiesz,
- Mariusz Galek,
- Roman Popielarz
Abstract
An apparatus for measuring the effect of pressure on luminescence characteristics of molecular sensors was designed and constructed. Next, the apparatus was applied for studies of the effect of pressure on luminescence of a series of europium(III) complexes. The following Eu(III) complexes were evaluated as potential pressure sensors for pressure sensitive paints: tris[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionyl]europium(III), [2-(2-pyridyl)imidazo[1,2-a]pyridine]tris[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionyl]europium(III), (2,2′-bipyridine)tris[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionyl]-europium(III), [4-phenyl-2,6-bis(2-pyridyl)pyridine]tris[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionyl]europium(III), tris[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionyl]bis(trioctylphosphine oxide)europium(III) and tris[4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dionyl]bis(tributylphosphine oxide)europium(III). These complexes were incorporated into polyacrylic or silicone polymer matrices and their sensitivity to pressure in the presence or absence of an inert solvent was measured. It was found that the luminescence intensity of the compositions studied decreased with increase of pressure. The complexes containing pyridine derivatives as auxiliary ligands showed highest sensitivity to pressure, when incorporated into the silicone polymer matrix containing toluene absorbed within the polymer structure. That sensitivity was of the order 50%/bar at atmospheric pressure, which was comparable to the sensitivity of platinum(II) octaethylporphyrin (PtOEP) sensor in a similar silicone polymer. However, the PtOEP was usually used for preparation of pressure-sensitive paints, which worked by oxygen-quenching mechanism, while the Eu(III) complexes do not require presence of oxygen to work.
- Record ID
- CUTc98ed4632e4b4adebcd68087495e9aa8
- Publication categories
- ;
- Author
- Journal series
- Sensors and Actuators. B, Chemical, ISSN 0925-4005
- Issue year
- 2020
- Vol
- 305
- Pages
- [1-10]
- Article number
- 127409
- Other elements of collation
- fot.; rys.; tab.; wykr.; Bibliografia (na s.) - 9-10; Bibliografia (liczba pozycji) - 27; Oznaczenie streszczenia - Abstr.; Data udostępnienia on-line - 2019-11-12; Numeracja w czasopiśmie - Vol. 305
- Keywords in English
- pressure-sensitive paints, luminescence, Europium complexes, optical pressure sensors
- DOI
- DOI:10.1016/j.snb.2019.127409 Opening in a new tab
- URL
- https://www.sciencedirect.com/science/article/pii/S0925400519316089 Opening in a new tab
- Related project
- Organiczno-nieorganiczne luminescencyjne chemiczne sensory molekularne jako narzędzie do monitorowania oraz kontroli procesów fotopolimeryzacji on-line w produkcji powłok polimerowych. . Project leader at PK: , ,
Projects financed by NCRD [Projekty finansowane przez NCBiR (NCBR (] - Language
- eng (en) English
- Score (nominal)
- 140
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTc98ed4632e4b4adebcd68087495e9aa8/
- URN
urn:pkr-prod:CUTc98ed4632e4b4adebcd68087495e9aa8
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.