Fırat of all, you should determine your main goal. Why are you producing this material. What is the advantages of the producing this material? And you should make a detail literature search. What is the best and economical way to produce this material which has the Best properties for using technological devices.
Daniela and Nuray have a right. First you must determine what you expected of this coating, because there are many methods to obtaining cobalt or lead oxides. Depending on the chosen technique you receive different properties