The formation and characterisation of redox active and luminescent materials from the electrooxidation of indolizine

Indolizine has been synthesised on the small scale with enhanced yield using a novel Flash Vacuum Pyrolysis method. Electrooxidation of indolizine results in the formation of a redox-active film on the electrode surface. Excellent agreement is found between calculated and experimental indolizine oxi...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2011-03, Vol.13 (12), p.5235-5241
Main Authors: Henry, John B, MacDonald, Ranald J, Gibbad, Helen S, McNab, Hamish, Mount, Andrew R
Format: Article
Language:English
Subjects:
Anodizing
Dimers
Electrodes
Fluorescence
Mathematical analysis
Pyrolysis
Small scale
Surface chemistry
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Summary:Indolizine has been synthesised on the small scale with enhanced yield using a novel Flash Vacuum Pyrolysis method. Electrooxidation of indolizine results in the formation of a redox-active film on the electrode surface. Excellent agreement is found between calculated and experimental indolizine oxidation potentials; a combination of fluorescence and electrochemical studies are consistent with the computational prediction that electroxidation results in the formation of three specific and redox active indolizine dimers. The insoluble redox active film is considered to be polymeric and to arise from the further oxidation of these dimers at the electrode. This combination of methods can be used for the characterisation of products formed from the electrooxidation of novel luminescent heteroaromatics synthesised on a small scale and particularly those of interest as redox active species for electrochemical processes and devices.
ISSN:1463-9076
1463-9084
DOI:10.1039/c0cp02645j