Electrochemical and spectroscopic characterization of a Benzo[c]cinnoline electrografted platinum surface
By isbir-Turan, Aybüke A.;Üstündağ, Zafer; Solak, Ali Osman; Kiliç, Emine & Avseven, Ayça
Published in Thin Solid Films
NULL
2009
Abstract
In this work, a platinum surface was modified with benzo[c]cinnoline (BCC) to get new insight into the metal modification area. By potential scanning from + 0.4Â V to – 0.8Â V, the diazotized BCC was reduced electrochemically and grafted onto the platinum electrode surface to form benzo[c]cinnoline modified platinum electrode (Pt-BCC). Electrochemical reduction of benzo[c]cinnoline diazonium salt on the electrode surface yielded a relatively stable organic film. The introduction of BCC molecules onto the platinum surface was verified by cyclic voltammetry, electrochemical impedance spectroscopy, Raman spectroscopy and ellipsometry. The stability and the potential range of the Pt-BCC electrode were also studied.
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