Preparation and Application of Water-soluble TiO2-ionic Liquids Hybrid Nanomaterials

doi:10.15541/jim20170251

Abstract

Abstract:

With unique electronic effect, TiO₂ nanoparticles can be used as photocatalysts to reduce or eliminate the organic pollutants only under irradiation of sunlight. It is, therefore, highly desirable to improve its dispersion and solubility to broaden its application in different fields especially in environmental conservation. Here provides a case of two-step method to prepare yellow transparent water-soluble TiO₂-ionic liquids hybrid nanomaterial. In this hybrid system, organic sulfonate groups as canopy provide “self-solvent” for the dispersion of the TiO₂ nanoparticles. This dispersion experiment results indicated that the water-soluble organic canopy in the TiO₂-ionic liquids hybrid nanomaterial offered good solubility in water and the TiO₂-ionic liquids hybrid nanomaterials used in-home decoration could be easily wiped away on the surface of furniture. Data from photocatalytic degradation efficiency for decomposing formaldehyde demonstrated that the hybrid nanofluids possessed excellent photocatalytic performance. The water-soluble TiO₂-ionic liquids hybrid nanomaterials could be a promising candidate for environmental conservation in the future.

Key words: TiO₂-ionic liquids, hybrid nanomaterials, water-soluble, photocatalytic

CLC Number:

TQ134

ZHANG Jiao-Xia, YI Jing, JIAO Yue-Ting, LI Shi-Yun, SHI Xin-Lan, SUN Kai. Preparation and Application of Water-soluble TiO₂-ionic Liquids Hybrid Nanomaterials[J]. Journal of Inorganic Materials, 2018, 33(5): 577-581.

Figures/Tables 6

Fig. 1 Synthetic process for the TiO2-ionic liquids hybrid nanomaterials

Fig. 2 FT-IR spectra for (A) PSNE and (B) the TiO2-ionic liquids hybrid nanomaterial

Fig. 3 TEM images of the TiO2-ionic liquids hybrid nanomaterial

Fig. 4 Rheological response of the TiO2-ionic liquids hybrid nanomaterial

Fig. 5 The curve of concentration versus time for hybrid nanomaterial in water

Fig. 6 The photocatalytic degradation efficiency of the pure TiO2 powder (a) and the water-soluble TiO2-ionic liquids hybrid nanomaterial (b) for decomposing formaldehyde

References 20

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Preparation and Application of Water-soluble TiO₂-ionic Liquids Hybrid Nanomaterials

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