Electrocatalytic oxidation for formic acid and formaldehyde on platinum implanted glassy carbon electrode

Platinum implanted glassy carbon electrode(Pt/GC) was fabricated and implan tation dose is 5X10(17) ion/cm(2). The surface elements composition and the concentration-depth profiles of various elements of platinum implanted gla ssy carbon electrode (Pt/GC) were measured by AES. The chemical state of Pt on Pt/GC electrode was detected by XPS. The electro-oxidation of HCOOH in 0.5 mol/L HClO4 solution and electro-oxidation of HCHO in five kinds of wea k basic solutions have been investigated on Pt/GC and smooth Pt electrodes, respectively, The results show that the catalytic activity, according to t he real surface area, of Pt/GC electrode is better than that of pure Pt ele ctrode in electro-oxidation of formic acid and formaldehyde, It is possibly related to Pt nanometric clusters formed in bombing, On the same electrode , the currents of oxidation of HCHO in difference weak basic solutions are different, It shows that anion has an obvious effect on the electro-oxidati on of HCHO.