%0 Journal Article
%T Preparation and Characterization of Chromophores Pillared Zn-Al-LDH
%A LI Lei
%A WEN Zheng
%A CHEN Da-Zhou
%A TANG Hua
%J 无机材料学报
%D 2009
%I Science Press
%R 10.3724/sp.j.1077.2009.01019
%X 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), ￡ n0.66Al0.34(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.
%K hydrotalcites
%K co-intercalation
%K donor-acceptor
%K energy transfer
%U http://www.jim.org.cn/fileup/PDF/20090529.pdf