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2015年在Chemistry-A European Journal发表研究论文
日期:2015-5-29  浏览:276次

  Tetrazine Chromophore-Based Metal-Organic Frameworks with Unusual Configurations: Synthetic, Structural, Theoretical, Fluorescent and Nonlinear Optical Studies

  Jianghua Li, Ding Jia, Suci Meng, Jinfang Zhang, Marie P. Cifuentes, Mark G. Humphrey, and Chi Zhang*

  Chemistry-A European Journal, 2015, doi: 10.1002/chem.201404803

  Three unusual three-dimensional (3D) tetrazine chromophore-based metal-organic frameworks 1-3 were constructed (see figure). 1 exhibits the first 5-connected Mo(W)/S/Cu framework, 2 possesses a novel (420•68) framework with unique “distorted arch” 4,4′-pytz bridges, and 3 is the first 3D flywheel-shaped Mo(W)/S/Cu framework. The third-order nonlinear optical and steady-state fluorescence properties were assessed, and time-dependent density functional theory (TD-DFT) calculations undertaken to afford insight into the electronic absorption spectra.

  如图所示,合成了三个不寻常的四嗪发色团基三维金属有机框架1-3。1是第一例的五连接钼(钨)/硫/铜框架;2显示为新颖具有独特弧形弯曲状4,4′-pytz桥的(420•68)拓扑框架;3是第一例三维飞轮形钼(钨)/硫/铜框架。同时,研究了它们的三阶非线性光学和稳态荧光性能,最后采用时间依赖的密度泛函理论计算研究了电子光谱的特征。

  
全文链接:
  http://onlinelibrary.wiley.com/doi/10.1002/chem.201404803/abstract

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