Abstract
In this paper, LaPO 4 nanorods have been successfully synthesized via a simple water–ethyleneglycol (H 2O–EG) mixed-solvothermal route, employing lanthanum nitrate (La(NO 3) 3· xH 2O) as a La 3+ ion source and monobasic sodium phosphate (NaH 2PO 4·2H 2O) as a PO 4 3 - ion source. The as-obtained products were characterized by means of X-ray powder diffraction (XRD), energy dispersive spectrometry (EDS), (high resolution) transmission electron microscopy (HR/TEM), selected area electron diffraction (SAED) and field emission scanning electron microscopy (FESEM). Some factors influencing the formation of LaPO 4 nanorods, including the reaction temperature, the volume ratio of water/EG and the original amount of H 2 PO 4 - ions, were investigated. Experiments showed that the volume ratio of water/EG and the original amount of H 2 PO 4 - ions could markedly affect the morphology of the final product.
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