14161-11-6, Name is 3,4,5-Trichloropyridazine, belongs to pyridazine compound, is a common compound. COA of Formula: C4HCl3N2In an article, once mentioned the new application about 14161-11-6.
Near-infrared luminescent PMMA-supported metallopolymers based on Zn-Nd schiff-base complexes
On the basis of self-assembly from the divinylphenyl-modified Salen-type Schiff-base ligands H2L1 (N,N?-bis(5-(3?- vinylphenyl)-3-methoxy-salicylidene)ethylene-1,2-diamine) or H2L 2 (N,N?-bis(5-(3?-vinylphenyl)-3-methoxy-salicylidene) phenylene-1,2-diamine) with Zn(OAc)2¡¤2H2O and Ln(NO3)3¡¤6H2O in the presence of pyridine (Py), two series of heterobinuclear Zn-Ln complexes [Zn(L n)(Py)Ln(NO3)3] (n = 1, Ln = La, 1; Ln = Nd, 2; or Ln = Gd, 3 and n = 2, Ln = La, 4; Ln = Nd, 5; or Ln = Gd, 6) are obtained, respectively. Further, through the physical doping and the controlled copolymerization with methyl methacrylate (MMA), two kinds of PMMA-supported hybrid materials, doped PMMA/[Zn(Ln)(Py)Ln(NO3) 3] and Wolf Type II Zn2+-Ln3+-containing metallopolymers Poly(MMA-co-[Zn(Ln)(Py)Ln(NO3) 3]), are obtained, respectively. The result of their solid photophysical properties shows the strong and characteristic near-infrared (NIR) luminescent Nd3+-centered emissions for both PMMA/[Zn(L n)(Py)Nd(NO3)3] and Poly(MMA-co-[Zn(L n)(Py)Nd(NO3)3]), where ethylene-linked hybrid materials endow relatively higher intrinsic quantum yields due to the sensitization from both 1LC and 3LC of the chromorphore than those from only 1LC in phenylene-linked hybrid materials, and the concentration self-quenching of Nd3+-based NIR luminescence could be effectively prevented for the copolymerized hybrid materials in comparison with the doped hybrid materials.
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Reference£º
Pyridazine – Wikipedia,
Pyridazine | C4H4N2531 – PubChem