5 years ago

Study on a rhenium complex having an electron-pulling ring and its oxygen sensing application: Synthesis, characterization and sensing performance

Study on a rhenium complex having an electron-pulling ring and its oxygen sensing application: Synthesis, characterization and sensing performance
This paper reported a Re(I) complex whose diamine ligand had an oxadiazole ring for optical oxygen sensing. This Re(I) complex was characterized and discussed through single crystal XRD, density functional theory calculation and photophysical measurement. It was found that this oxadiazole ring increased electronic distribution and decay lifetime of excited electrons. Oxygen sensing collision probability was consequently increased, favoring oxygen attack. Using a silica molecular sieve MCM-41 as supporting substrate, its oxygen sensing performance was tentatively evaluated. A dynamic collision mechanism was confirmed with sensitivity of 4.0 and response time of 14s.

Publisher URL: www.sciencedirect.com/science

DOI: S0925400517311814

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