journal article·2012-03-01

Preparation and Photophysical Properties of Materials Obtained by Co-intercalation of 4-MAA and 2-NSA into Mg-Al-LDH

Lei LI, Kai ZHU, Li ZHANG, Da-Zhou CHEN

Journal of Inorganic Materials· Volume 27· Issue 2
Publisher page

Abstract

在乙二醇介质中, 通过离子交换法, 成功地将一对具有给体?受体性质的发色团4-甲氧基苯乙酸(4-MAA)与2-萘磺酸(2-NSA)共插入到层状镁铝水滑石层间, 组装得到晶相单一的共插层类水滑石. 产物采用XRD、FTIR、TG-DTA等测试技术进行结构表征, 采用UV-Vis吸收光谱和荧光光谱研究其光谱特性. 并用G03w软件包中 ab initio 分子轨道法(HF/6-31G)计算了客体分子结构和电荷分布, 认为4-MAA阴离子是以单层形式以45°倾斜排布在层板之间, 而2-NSA是以单层形式垂直排布层板之间. 结果表明, 给体?受体进入层间后, 不仅客体与主体层板存在静电力和氢键相互作用, 而且在限域空间内客体之间发生了相互作用, 产生了给体-受体间的能量转移过程.
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OpenAlex topics: Layered Double Hydroxides Synthesis and Applications · Inorganic Chemistry and Materials · Microwave Dielectric Ceramics Synthesis

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References (11)

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