Effect of hydroxypropyl-β-cyclodextrin on the electrochemical oxidation and polymerization of 3, 4-ethylenedioxythiophene
VS Vasantha, KLN Phani - Journal of Electroanalytical Chemistry, 2002 - Elsevier
The electrochemical oxidation of 3, 4-ethylenedioxythiophene (EDOT) on platinum is studied
in electrolyte solutions containing hydroxypropyl-β-cyclodextrin (HP-β-CD). HP-β-CD is
found to increase the solubility of EDOT up to a concentration of 0.026 M in aqueous
solutions. Addition of HP-β-CD (0.1 M) produces a slight red shift of the EDOT main
absorption band from 254.9 to 257.7 nm and an increase of the HP-β-CD concentration
decreases the absorption coefficient, εmax to 6150 l mol− 1 cm− 1 in the UV–vis region …
in electrolyte solutions containing hydroxypropyl-β-cyclodextrin (HP-β-CD). HP-β-CD is
found to increase the solubility of EDOT up to a concentration of 0.026 M in aqueous
solutions. Addition of HP-β-CD (0.1 M) produces a slight red shift of the EDOT main
absorption band from 254.9 to 257.7 nm and an increase of the HP-β-CD concentration
decreases the absorption coefficient, εmax to 6150 l mol− 1 cm− 1 in the UV–vis region …
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