A Facile and Novel Synthetic Route to Gold Nanoparticles Using Cefazolin as a Template for a Sensor

Electrochemical synthesis of gold nanoparticles on the surface of pyrolytic graphite electrode and preparation of GNPs using cefazolin as a template in aqueous solution was proposed. The gold nanoparticles were characterized by scanning electron microscopy, transmission electron microscopy, spectrophotometry, powder X-ray diffraction spectra and cyclic voltammetry. The currents for dopamine at GNP/PGE prepared by electrochemistry deposition and absorption method are more than that of dopamine at bare PGE. The catalysis of gold nanoparticles for dopamine was demonstrated.