ASMIUM COMPLEX 3 COMPLEJOS DE OSMIO 3 DIAZONIUM SALTS 3 ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY 3 ELECTRODOS MODIFICADOS 3 ELECTRON TRANSFER 3 ESPECTROSCOPIA DE EFECTO TUNEL CON CONTROL ELECTROQUIMICO 3 ESPECTROSCOPIA DE IMPEDANCIA ELECTROQUIMICA 3 MODELO DE SMITH-WHITE 3 MODIFIED ELECTRODES 3 MONOCAPAS 3 MONOLAYERS 3 SALES DE DIAZONIO 3 SMITH-WHITE MODEL 3 TRANSFERENCIA ELECTRONICA 3 TUNNELING SPECTROSCOPY WITH ELECTROCHEMICAL CONTROL 3