Solid-state reactivity of copper(I) iodide: luminescent 2D-coordination polymers of CuI with saturated bidentate nitrogen bases

被引:76
作者
Braga, Dario [1 ]
Grepioni, Fabrizia [1 ]
Maini, Lucia [1 ]
Mazzeo, Paolo P. [1 ]
Ventura, Barbara [2 ]
机构
[1] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
[2] CNR, ISOF, I-40129 Bologna, Italy
关键词
TETRANUCLEAR; CLUSTERS; SOLVENT; PYRIDINE;
D O I
10.1039/c0nj00547a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Solid-state reactions of copper(I) iodide with 1,4-diazabicyclo[2.2.2]octane (DABCO) and piperazine in different conditions (kneading, vapour digestion, thermal treatment) resulted in the formation of four new luminescent systems, which have been characterized via X-ray diffraction and photo-luminescence spectroscopy. At room temperature all compounds exhibit a bright emission in the solid state that markedly shifts bathochromically on cooling to 77 K. The luminescence of the almost isostructural 2D-coordination polymers [Cu2I2(L)(2)](infinity) (L = DABCO, piperazine) exhibits an unusually long lifetime (125 and 53 mu s, respectively), which becomes even longer (609 and 420 mu s, respectively) at 77 K.
引用
收藏
页码:339 / 344
页数:6
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