Figure 9: (a) Surface pressure – area isotherms of mixed monolayer on an aqueous buffer solution with Na+ ion of diamide derivatives having twohydrocarbons : organo-MMT=1:1 at 15°C. (b) AFM image of Z-type mixed monolayer on solid of of diamide derivatives having two-hydrocarbons : organo- MMT = 1 : 1 transferred at 3 mNm-1.