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Luminescent terbium(iii) complex-based titania sensing material for fluoride and its photocatalytic properties

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Abstract

A new terbium 2-isopropylimidazole-4,5-dicarboxylic acid complex was prepared and incorporated into titanium dioxide matrix by mild sol–gel method. Then we fabricated a terbium luminescent hybrid material, which displayed striking green emission even in pure water. It was interesting to find that this target material exhibited highly selective and fast (1 s) quenching effect to F- compared with CH3COO-, Cl-, Br-, I-. We recognized that the hydrogen bonding interactions between fluoride and ligand resulted in the recognition process. More significantly, this hybrid titania material prepared under low temperature (80 °C) could be used in photodegradation of methyl orange in aqueous environment.

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Authors and Affiliations

  1. School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P. R. China

    Zhan Zhou, Qianming Wang, Shumin Huo & Yaqing Yang

Authors
  1. Zhan Zhou
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  2. Qianming Wang
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  3. Shumin Huo
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  4. Yaqing Yang
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Corresponding author

Correspondence to Qianming Wang.

Additional information

† Electronic supplementary information (ESI) available: Fluorescence spectra of the sensing material. See DOI: 10.1039/c2pp05380b

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Zhou, Z., Wang, Q., Huo, S. et al. Luminescent terbium(iii) complex-based titania sensing material for fluoride and its photocatalytic properties. Photochem Photobiol Sci 11, 738–743 (2012). https://doi.org/10.1039/c2pp05380b

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  • DOI: https://doi.org/10.1039/c2pp05380b

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