“…Residual water in zinc acetate salts Zn(OAc) 2 was removed by heating at 120˝C under vacuum (10´2 mm Hg). 2,3,16,17-tetra(hexylthio)phthalocyanine (ABAB-H2) and 2,3,9,10,16,17 hexakis(hexylthio)phthalocyanine (AB3-H2) were prepared as previously described in [38], as well as (2,3,9,10,16,17,23,24-octakis(hexylthio)phthalocyaninato)Zinc (B4) in [39].…”