Novel oxygen sensitive complexes for optical oxygen sensing

Novel oxygen sensitive complexes for optical oxygen sensing

Novel optical sensing films for oxygen based on highly luminescent iridium (III) and ruthenium (II) complexes have been developed. These demonstrate excellent long-term photostability (several months) when incorporated into polystyrene membranes. The influence of different plasticizers on the specif...

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Veröffentlicht in:Talanta (Oxford) 2007-01, Vol.71 (1), p.242-250
Hauptverfasser: Fernández-Sánchez, J.F., Roth, T., Cannas, R., Nazeeruddin, Md. K., Spichiger, S., Graetzel, M., Spichiger-Keller, U.E.
Format: Artikel
Sprache:eng
Schlagworte:
Analytical chemistry
Chemistry
Exact sciences and technology
General, instrumentation
Iridium complex
Luminescence
Optical sensor
Oxygen
Ruthenium complex
Spectrometric and optical methods
Sterilization
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Beschreibung
Zusammenfassung:Novel optical sensing films for oxygen based on highly luminescent iridium (III) and ruthenium (II) complexes have been developed. These demonstrate excellent long-term photostability (several months) when incorporated into polystyrene membranes. The influence of different plasticizers on the specific luminescence quantum yield, the Stern–Volmer constant, the reversibility and the response time were evaluated. Additionally the sensing films can be sterilized by chemical cleaning and gamma-ray irradiation.
ISSN:0039-9140
1873-3573
DOI:10.1016/j.talanta.2006.03.043