Structure and luminescence investigations on the chromophore intercalated layered rare-earth hydroxides hybrids

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Abstract

Niflumic acid (NFC) and surfactant 1-octane sulfonic acid sodium (OS) are intercalated into the gallery of NO3̄ type layered europium hydroxide (NO3–LEuH) by ion-exchange method. The prepared products display XRD patterns with series of diffractions attributing to layered materials. The composites correspond to a bilayered vertical arrangement. The thermal stability of the composites are enhanced after intercalation. Tunable luminescence of the composites is realized through the synergistic effect of layered europium hydroxide (LEuH) layer and NFC with different states and different excitation wavelength. Facile one-pot delamination of the composites achieves when dispersed in formamide (FM), which contributes to a white emission. This work may be beneficial to the fabrication of multifunctional chromophore intercalated layered rare-earth hydroxides (LRHs) hybrids, which may have wide applications in white emission materials.

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Gu, Q., Liu, X., Hu, Y., Zhang, L., & Li, Y. (2017). Structure and luminescence investigations on the chromophore intercalated layered rare-earth hydroxides hybrids. Journal of Photochemistry and Photobiology A: Chemistry, 335, 268–275. https://doi.org/10.1016/j.jphotochem.2016.12.011

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