热致变色
咪唑
发光
化学
碘化物
立方烷
光化学
星团(航天器)
结晶学
亚甲基
配体(生物化学)
单晶
光致发光
立体化学
晶体结构
材料科学
无机化学
有机化学
光电子学
受体
程序设计语言
生物化学
计算机科学
作者
Zhixing Fu,Jian Lin,Le Wang,Cheng Li,Wenbo Yan,Tao Wu
标识
DOI:10.1021/acs.cgd.6b00114
摘要
Two cuprous iodide pseudopolymorphs, formulated as [(Cu4I4)(MBI)2]∞ (MBI = 1,1′-methylene-bis(imidazole)) with an irregular cubane-like Cu4I4 cluster as tetrahedrally coordinated secondary building unit and imidazole derivative as bridging ligand, have been synthesized and characterized by single-crystal X-ray diffraction analysis. Both of two compounds only exhibited a single broad low-energy cluster-centered (3CC) triplet emission band between room temperature and 77 K. Of particular interest, these two Cu4I4-imidazole pseudopolymorphs still displayed thermochromic luminescence originating from a red shift of such tunable single cluster-centered triplet emission, being different from that observed in the previously reported Cu4I4-pyridine system by balancing temperature-dependent multiple emissions (high-energy and low-energy) derived from their energetically distinct triplet states.
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