Immobilization of ZnS and CdS nanoparticles on the surface of modified Bentonite

In the present study, nanocomposites of zinc sulfide (ZnS) and cadmium sulfide (CdS) and bentonite were prepared via an in-situ precipitation route. In this method, the hydrophilic smectite (bentonite) surface was modified with a cationic surfactant, hexa decyltrimethylammonium bromide. Modified bentonite was dispersed in cyclohexane and then, under vigorous stirring, very dilute aqueous solutions of Zn(NO3)2 or Cd(NO3)2 and Na2S were added periodically at room temperature for a period of 24 h.

کلیدواژه ها:

Green chemistry ، nanocatalyst ، modified Na-bentonite ، pullotant ، surfactant