Polyradicals: Synthetic strategies and characterization

J. A. Crayston, A. Iraqi, P. Mallon, J. C. Walton, D. P. Tunstall

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Synthetic routes to polyradicals are briefly reviewed; in addition the synthesis and electrochemical characterization of a novel 2,2,6,6-tetramethylpiperidinyloxy-l-pyrrylacetate(I) (or, TEMPO-1-pyrrylacetate) are reported. Rather than forming a conducting polymer deposit, this monomer coats the electrode with a passivating monolayer, which is electroactive at the nitroxide potential (+0.93 V vs Ag+/0). The cyclic voltammetry of the surface-confined nitroxide not only exhibits typical monolayer behaviour (calculated coverage 0.5 nmol cm-2), but also unusual spikes caused by trapped charge.

Original languageEnglish
Pages (from-to)231-235
Number of pages5
JournalMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
Issue number1
Publication statusPublished - 1 Jan 1993


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