I want to get rid of OTS ( Octadecyltrichlorosilane ) coating layer on silicon sub. Specially, I want to know which chemical can remove the OTS SAM. If you have any suggestion, It's very thanksful for me. **** Nano-Tribology Research Lab.Yonsei University, Korea. Ji Chul Yang semdoli@cisd.yonsei.ac.kr Have a nice day. *****