负载于纳米L型沸石中的发光铕（III）-β-二酮配合物作为用于检测碱性分子的开启型传感器。
Luminescent europium(III)-β-diketonate complexes hosted in nanozeolite L as turn-on sensors for detecting basic molecules.
作者信息
Li Peng, Zhang Yuzhao, Wang Yige, Wang Yanji, Li Huanrong
机构信息
School of Chemical Engineering and Technology, Hebei University of Technology, Guang Rong Dao 8, Hongqiao Distric, Tianjin 300130, China.
出版信息
Chem Commun (Camb). 2014 Nov 18;50(89):13680-2. doi: 10.1039/c4cc05635c.
The luminescence efficiency of Eu(3+)-β-diketonate complexes entrapped within the channels of nanozeolite L is severely decreased by the acidic environment in the channels. The neutralization of the acid sites can remarkably increase the luminescence efficiency due to the formation of complexes with high coordination numbers. Herein we report a simple, effective and robust luminescent sensor for detecting basic molecules (such as amines) based on the above observations.
包裹在纳米L型沸石孔道内的铕（III）-β-二酮配合物的发光效率会因孔道内的酸性环境而严重降低。由于形成了高配位数的配合物，酸位点的中和可显著提高发光效率。在此，基于上述观察结果，我们报道了一种用于检测碱性分子（如胺类）的简单、有效且稳健的发光传感器。
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