Deletioglu, DidemHasdemir, ErdoganSolak, Ali OsmanUstundag, ZaferGuzel, Remziye2024-09-182024-09-1820100040-6090https://doi.org/10.1016/j.tsf.2010.07.125https://hdl.handle.net/20.500.12483/10286Indole-3-carboxaldehyde (In3C) monomer was oxidized by electrochemical methods at the glassy carbon (GC) electrode in 0 05 M tetrabutylammonium tetrafluoroborate in acetonitrile with the aim to prepare a modified electrode Modification was performed using cyclic voltammetry (CV) scanning from 0 0 V to 2 0 V at a scan rate of 50 mV s(-1) for 10 cycles in 1 mM In3C monomer solution The modified GC surface (In3C-GC) was characterized by CV response of potassium ferricyanide and ferrocene redox probes as well as by the electrochemical impedance spectroscopy The modified surface was analyzed by reflection-absorption infrared spectroscopy and compared with the spectrum of the monomeric In3C Elemental composition of the surface was determined by X-ray photoelectron spectroscopy Contact angle measurements was also performed to check the changes in hydrophobic character of the bare GC and compared to that of In3C-GC surface Thickness of the oligomeric/polymeric film was investigated by ellipsometric measurements and a surface confined polymerization mechanism was proposed (c) 2010 Published by Elsevier B Veninfo:eu-repo/semantics/closedAccessGlassy carbonPoly(indole-3 carboxaldehyde)Electrochemical impedance spectroscopyX ray photoelectron spectroscopyReflection-absorption infrared spectroscopyContact angleEllipsometryArticle519278478910.1016/j.tsf.2010.07.1252-s2.0-77958514926Q2WOS:000284499500041Q1