Copper (I) acetate (97 %), cadmium (II) acetate (99.995 %), zinc acetate (99 %), oleic acid (90 %),oleylamine (70 %), and 1-octadecene (ODE, 90 %) were purchased from Sigma-Aldrich. Indium (III) acetate (99.99 %) and 1-dodecanethiol (DDT, 98 %) were purchased from Alfa Aesar. All other chemicals were analytical or HPLC grade and commercially available. Chemicals were used as received without further purification.