Abstract
Reactions of ZnCl2 with 4′-(2,4-disulfophenyl)-2,2′:6′2″-terpyridine (H2DSPT) result to two new compounds with formula, {[Zn(DSPT)(H2O)2]·2H2O}n (1) and {[Zn(DSPT)(H2O)2]·H2O}n (2), respectively. Compound 1 is a binuclear complex, whereas compound 2 is a mononuclear organozinc compound. The coordination compounds can be controllable synthesized by adjust the pH value. The thermal behavior of 1 was explored by TG and VT-PXRD, which indicated that it undergo crystal-to-crystal transformation manner. Both compounds 1 and 2 show weak luminescence in both solid state and water emulsions compared with H2DSPT. The luminescence intensity of compound 1 can strongly enhanced by the addition of diethylchlorophosphonate (DCP), but significant less influenced by dimethylmethylphosphonate (DMMP), diethylcyanophosphonate (DCNP) and other selected organophosphate, which make compound 1 has potential application on nerve-agent detection.
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