网状化学与艺术:奥林匹克环灵感金属有机框架的案例研究
Jincheng Si1,2, Hai-Lun Xia2, Kang Zhou2
1School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, P.R. China.
Journal of the American Chemical Society
|November 23, 2022
概括
研究人员使用网状化学设计了基于的新型金属有机框架 (MOF). 这些MOF表现出高稳定性和发光性,使其能够对二色酸盐离子进行敏感检测.
科学领域:
- 材料科学
- 化学学
- 纳米技术
背景情况:
- 网状化学为设计先进材料提供了强大的策略.
- 金属有机框架 (MOF) 是具有高度调节性的多孔材料,具有多种应用.
- 开发具有特定拓和功能的MOF仍然是一个关键挑战.
研究的目的:
- 展示用于构建具有奥林匹克环灵感结构的新型四碳酸MOF (HIAM-4017) 的网状化学.
- 在具有较大的斯托克斯转移的异粒度MOF (HIAM-4018) 中实现激发状态的分子内部质子转移 (ESIPT).
- 制造纳米MOF用于敏感和选择性的环境污染物检测.
主要方法:
- 用于设计MOF拓和有机链接器的网状化学原理.
- 四碳酸MOF (HIAM-4017和HIAM-4018) 的合成和表征
- 时间依赖密度函数理论 (TD-DFT) 用于分析分子间相互作用.
- 用于传感应用的纳米MOF的制造.
主要成果:
- 一种具有独特 (4,8) -c网拓 (jcs) 的新型MOF,HIAM-4017,已成功合成.
- 由于OH·N相互作用,HIAM-4018表现出具有较大的斯托克斯位移 (155 nm) 的ESIPT.
- 纳米化HIAM-4017和HIAM-4018在检测Cr2-O7方面表现出高灵敏度和选择性.
结论:
- 网状化学是设计结构和属性特定的MOF的有效策略.
- 合成的MOF具有出色的稳定性,多孔性和发光性质.
- HIAM-4017和HIAM-4018是可靠的环境监测传感器.
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