Abstract
In this study, sodium carboxymethyl cellulose (CMC) was used as raw material, rare earth chloride was used as inorganic nano luminescent material to prepare a series of lanthanide rare earth ions-doped nanocrystals and composite materials. The photoluminescent materials were prepared via in situ chemical deposition of rare earth ions onto the surface of sodium carboxymethyl cellulose (CMC) with the help of carboxyl groups contained on the surface of sodium carboxymethyl cellulose (CMC). The structure, fluorescence properties and crystalline structure of the composites were characterized by FT-IR spectra (FTIR), field emission scanning electron microscope (FESEM), photoluminescence spectra (PL) and X-ray diffraction (XRD). The results showed that CMC/LaF3: Eu3+ composite material was successfully prepared, and its fluorescence intensity can be organically controlled by temperature. The method has mild reaction conditions, facile process without expensive material equipment, and the composite has good fluorescence intensity, which can be used for functional packaging materials.
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