AU-CU NANOPARTICLES 3 AUTOENSAMBLADO CAPA POR CAPA 3 CHEMICALLY MODIFIED ELECTRODES 3 CO2 REDUCTION 3 ELECTROCATALISIS 3 ELECTROCATALYSIS 3 ELECTRODOS MODIFICADOS QUIMICAMENTE 3 LAYER BY LAYER SELF ASSEMBLY 3 NANOALEACIONES 3 NANOALLOYS 3 NANOPARTICULAS AU-CU 3 POLIOXOMOLIBDATOS 3 POLYOXOMOLYBDATES 3 REDUCCION DE CO2 3 Au electrodes 2 Au surfaces 2 Basic solutions 2 Composite films 2 Cyclic voltammetry 2 Electrocatalysis 2 Electrocatalysts 2 Electrocatalytic activity 2 Electrochemical behaviors 2 Electrochemical electrodes 2 FT-IR-ATR 2 Film electrodes 2 Gold 2 Initial loss 2 Ion exchange 2 Keggin structure 2