SEARCH Articles Figures Tables In situ UV-vis spectrum of PPy in a solution of 0.1-M HCIO4 deposited onto an ITO glass electrode, electropolymerized potentiostat-ically at -EAg AgCl 500 mV from a solution of 0.1-M pyrrole in acetonitrile that contained 0.5 water and 0.1-M L1C104 as a function of electrode potential starting with Ag AgCl -200 mV at the bottom to Ag AgCl 1000 th top- further details, see . [Publishers Imprint]