“…Although the anodic oxidation of N 2 H 4 occurs on noble metals and carbon electrodes, they are all accompanied with large overpotentials. Therefore, various materials such as carbon nanotube 7, 8b, 9a and copperpalladium alloy 8a, gold 8b, c, 9a, d, palladium 9a, platinum 9b and silver nanoparticles 9c have been employed for electrodes modification to solve the problem. In fact, metal nanoparticles exhibit excellent optical and electronic properties because of their high surface area to volume ratio and exhibit excellent catalytic activity compared to the respective bulk metals 11.…”