NIR luminescence of benzoyltrifluoroacetone erbium complexes:potential application in telecommunicat

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A series of five β-diketone erbium complexes with various azacyclo-auxiliary ligands,namely,Er(bta)3(H2O)2(1),Er(bta)3(bpy)(2),Er(bta)3(phen)(3),Er(bta)3(dpq)(4) and Er(bta)3(dppz)(5)(bta = benzoyltrifluoroacetone,bpy = 2,2′-bipyridine,phen = 1,10-phenanthroline,dpq =pyrazino[2,3-f][1,10]phenanthroline,dppz = dipyrido[3,2-a:2′,3′-c]phenazine) have been isolatedand characterized by X-ray crystallographic analysis.
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