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2009 , Vol. 24 >Issue 5: 1019 - 1024

DOI: https://doi.org/10.3724/SP.J.1077.2009.01019

研究论文

生色基团插层锌铝水滑石的制备和性质

  • 李 蕾 ,
  • 文 征 ,
  • 陈大舟 ,
  • 汤 华
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  • （1. 北京化工大学 化工资源有效利用国家重点实验室, 北京100029; 2. 国家标准物质研究中心, 北京 100013）

收稿日期: 2009-01-20

  修回日期: 2009-04-22

  网络出版日期: 2009-09-20

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Preparation and Characterization of Chromophores Pillared Zn-Al-LDH

  • LI Lei ,
  • WEN Zheng ,
  • CHEN Da-Zhou ,
  • TANG Hua
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  • (1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China; 2. National Research Center for Certified Reference Materials, Beijing 100013, China)

Received date: 2009-01-20

  Revised date: 2009-04-22

  Online published: 2009-09-20

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摘要

以层状锌铝水滑石为主体, 在乙二醇介质中, 通过离子交换法, 将一对具有给体－受体性质的生色团香豆素-3-甲酸(3-CCA)与9-蒽甲酸(9-ACA)共插入到层状锌铝水滑石层间, 组装得到晶体结构良好的共插层类水滑石, 且通过控制离子交换的时间、温度、客体投料比, 可制得一系列具有不同摩尔比客体的共插层产物. 产物采用XRD、IR、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. 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, 而且在限域空间内有利于客体之间的相互作用, 从而产生了给体受体间的能量转移过程.

关键词： 水滑石; 共插层; 给体受体; 能量转移

本文引用格式

李 蕾 , 文 征 , 陈大舟 , 汤 华 . 生色基团插层锌铝水滑石的制备和性质[J]. 无机材料学报, 2009 , 24(5) : 1019 -1024 . DOI: 10.3724/SP.J.1077.2009.01019

Abstract

A pair of chromophores with donor-acceptor properties, coumarin-3-carboxylic acid (3-CCA) and 9-anthracene carboxylic acid (9-ACA), were intercalated into the layered double hydroxide (LDH), ［Zn0.66Al0.34(OH)2］(CO3) 0.17·0.33H2O by the method of ion-exchange procedures in ethylene glycol. The co-intercalation compounds with different molar ratios of donor to acceptor in the solid products were obtained by controlling ion-exchange time, temperature, and the molar ratio of donor to acceptor in the solution. The obtained co-intercalation compounds were characterized by X-ray diffraction, infrared and thermogravimetry techniques. The photochemical properties of the obtained compounds were studied by UV-Vis absorption and fluorescence spectroscopy. These results indicate that the pair of chromophores, 3-CCA and 9-ACA within the interlayer region of the host can give rise to energy transfer processes because of the characteristics of their excited states.

Key words： hydrotalcites; co-intercalation; donor-acceptor; energy transfer

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