Research Paper

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

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.

Cite this article

LI Lei , WEN Zheng , CHEN Da-Zhou , TANG Hua . Preparation and Characterization of Chromophores Pillared Zn-Al-LDH[J]. Journal of Inorganic Materials, 2009 , 24(5) : 1019 -1024 . DOI: 10.3724/SP.J.1077.2009.01019

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