Coordination polymer based on cyano: Synthesis, crystal structure, and fluorescence
Coordination polymer based on cyano: Synthesis, crystal structure, and fluorescence
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基于氰基的配位聚合物:合成、晶体结构和荧光
DOI:
10.1016/j.jssc.2010.05.011
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发表时间:
2010-07
期刊:
影响因子:
--
通讯作者:
Lu, Can-Zhong
中科院分区:
文献类型:
--
作者:
He, Jian-Gang;Ju, Qiang;Fang, Zhen-Lan;Wu, Xiao-Yuan;Lu, Can-Zhong
One novel 2-D polythreading framework named as [Cu3(CN)3(NH3)] (1), was obtained through the self-assembling of CuCN under hydrothermal reaction. It is remarkable that there is a 26-membered [Cu10(CN)8] decanuclear metallamacrocycle with the effective size of ca. 16.8×6.83Å2along the a-axis. These 2-D layers stack in an ··ABAB···staggered fashion, with the lateral {(CN)Cu3(NH3)} moieties of each layer inserting into the voids of the decanuclear metallamacrocycles from two adjacent layers. Optical diffuse reflectance spectrum and the result of DFT calculation reveal that 1 is potential direct semiconducting material. In the solid state at room temperature, 1 shows bright yellow fluorescence under ultraviolet light illumination. Its emissive excited state is primarily attributed to the LMCT, LLCT and3[MMLCT] excited state, based on the result of DFPT calculation.
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