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Optical Sensing and Imaging of Trace Oxygen with Record Response
Author(s) -
Nagl Stefan,
Baleizão Carlos,
Borisov Sergey M.,
Schäferling Michael,
BerberanSantos Mário N.,
Wolfbeis Otto S.
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200603754
Subject(s) - quenching (fluorescence) , trace (psycholinguistics) , ethyl cellulose , oxygen , oxygen sensor , fluorescence , cellulose , response time , analytical chemistry (journal) , materials science , range (aeronautics) , nanotechnology , chemistry , environmental chemistry , optics , polymer , organic chemistry , computer science , composite material , physics , philosophy , linguistics , computer graphics (images)
Ultratrace quantities of oxygen can be determined at single spots as well as spatially resolved, and over a temperature range of more than 100 K, by exploiting the extremely efficient quenching of the delayed fluorescence of the fullerene C 70 incorporated into matrices of organosilica or ethyl cellulose.