摘要

The assembly of a carboxylate substituted anthracene derivative with barium(II) salt yielded a 3D luminescent metal-organic framework [Ba-2(adda)(2)(H(2)adda)(H2O)(2)](n) 1 (H(2)adda = (2E,2'E)-3,3'-(anthracene-9,10-diyl) diacrylic acid), which was structurally characterized by elemental analysis, powdered and single-crystal X-ray diffraction. Compound 1 exhibits a "turn on" luminescence response toward 4-nitrobenzoic acid (4-NBA) different from most nitroaromatic compounds displaying a "turn-off" luminescence stimulus. Increasing luminescence intensities with addition of 4-NBA in 1 dispersed in DMF are attributed to the dissociation of H(2)adda, evidenced by H-1 NMR. Compound 1 is effective as a potential 4-NBA detector by establishing the relationship between the luminescence intensity of 1 and the molar concentration of 4-NBA.