从柔到刚——配位聚合物“夜明珠”

引用本文: 廖虹伊, 梁振羽, 黄铭骏, 朱自强, 叶嘉文, 陈玲. 从柔到刚——配位聚合物“夜明珠”[J]. 大学化学, 2023, 38(4): 35-43. doi: 10.3866/PKU.DXHX202210037 shu

Citation: Hongyi Liao, Zhenyu Liang, Mingjun Huang, Ziqiang Zhu, Jiawen Ye, Ling Chen. From Flexible to Rigid: The Coordination Polymer Based “Night-Shining Pearl”[J]. University Chemistry, 2023, 38(4): 35-43. doi: 10.3866/PKU.DXHX202210037 shu

从柔到刚——配位聚合物“夜明珠”

五邑大学生物科技与大健康学院, 广东江门 529020
基金项目:
国家自然科学基金青年项目(21901189,22101211)

摘要: 开发新型有机/配合物长余辉材料，并通过研究其结构与性质的关系，来提高长余辉性能，是当前的研究热点。本实验涉及一种铜碘簇配位聚合物(CuIU)，其存在立方(C，Cubic)和三方(T，Trigonal)相。虽然二者的分子式相同，但由于结构框架的结晶方式不同，导致较刚性的T-CuIU具有明显的长余辉性质，而柔性的C-CuIU则没有。合成过程在盐溶液中常温进行，条件温和，仅需简单的搅拌、离心、干燥等操作就能完成，适合在本科生实验中推行。其中，短时间搅拌反应得到的是C-CuIU，而长时间搅拌得到的是T-CuIU。C、T两相的转化容易控制，二者的余辉差别肉眼可观察。通过引入结构模型教具、荧光墨水、丝网印刷等可进一步提高课程的生动性与趣味性。该实验有助于学生了解金属簇配合物的合成方法，认识配合物结构与性质之间的深刻联系。同时，实验还融合了X射线粉末衍射仪、荧光仪、热重分析仪等科研仪器的操作，具有较好的科教融合效果。

关键词:

English

From Flexible to Rigid: The Coordination Polymer Based “Night-Shining Pearl”

School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, Guangdong Province, China
Received Date: 12 October 2022

Abstract: To develop new long afterglow luminescent materials based on organics or coordination compounds, and improve the long afterglow performance through studying the relationship between the molecular structures and properties becomes one of the hot research topics currently. This experiment is mainly related to the Cu(I)-iodide cluster-based coordination polymer (CuIU). There are two phases for CuIU, C-CuIU and T-CuIU crystallized in the cubic and trigonal space groups, respectively. Though the molecular formulas of C- and T-CuIU are same, T-CuIU displays much better long afterglow property than C-CuIU. The synthesis of CuIU is performed in NaI aqueous solution at room temperature under gentle environment. The whole experiment is carried out through easy stirring, centrifugation and drying operations, which is appropriate for undergraduate laboratory teaching. The product obtained by short stirring time is verified as C-CuIU, while that with long stirring time is verified as T-CuIU. The transformation between C and T is easily controlled and they display notably different lifetimes. The plastic models of these two structures, preparation of luminescent ink and silk-screen printing are also introduced in teaching to further improve the vividness and interest of the course. This experiment is helpful for students to understand the synthesis method of metal cluster compounds and the deep relation between structures and properties in coordination compounds. Meanwhile, the experiment involves the operations of X-ray powder diffractometer, spectrofluorometer and thermal gravimetric analyzer, which promote the science and education integration in the teaching process.

Key words:

Coordination polymers
/ Long afterglow
/ Structures and properties
/ Science research and education integration
/ Anti-counterfeit printing ink

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沈阳化工大学材料科学与工程学院沈阳 110142

从柔到刚——配位聚合物“夜明珠”

English

From Flexible to Rigid: The Coordination Polymer Based “Night-Shining Pearl”

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

从柔到刚——配位聚合物“夜明珠”

English

From Flexible to Rigid: The Coordination Polymer Based “Night-Shining Pearl”

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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