期刊
AUSTRALIAN JOURNAL OF CHEMISTRY
卷 65, 期 11, 页码 1513-1522出版社
CSIRO PUBLISHING
DOI: 10.1071/CH12322
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资金
- Australian Defence Force Capability and Technology Demonstrator program
The polymerisation reaction of pyrrole and 3,4-ethylenedioxythiophene using the chemical oxidant FeCl3 center dot 6H(2)O in the room temperature ionic liquid butyl-methylpyrrolidinium bis(trifluoromethanesulfonyl) imide (C(4)mpyrTFSI) has been investigated using cyclic voltammetry, UV/vis and IR spectroscopy. The voltammetric data for the Fe2+/3+ reaction is complicated by the presence of H+ introduced upon dissolution of the iron salt by deprotonation of the coordinated waters. The voltammetric and chemical reaction studies show that H+ itself, introduced to solution as trifluoromethanesulfonic acid (HTFSI), can act as the chemical oxidant for the polymerisation reaction. Voltammetric data also implies that in this system the Fe2+/3+ redox couple may not actually be involved in the polymerisation reaction and that the H+ introduced upon dissolution of the FeCl3 center dot 6H(2)O may be the sole cause of the oxidation reaction.
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