Synthesis and characterization of iron orthophosphate by solution combustion method

The present work applies solution combustion synthesis (SCS) by employing glycine as organic fuel to stimulate the synthesis of pure iron orthophosphate with well-defined reaction parameters. The structural and morphological properties of the products were characterized and confirmed by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and surface analyzer, respectively. Thermal behaviors were also investigated by TG/DT analyses. The optimal condition was set at 500 °C in a few minutes, giving pure iron orthophosphate with a good level of crystallinity and 11,769 m2/g surface area. The results proved SCS a time saving and practically applicable method.

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► Solution combustion synthesis was firstly employed to prepare FePO4.
► Pure, well-crystallized and porous FePO4 was obtained and characterized.
► The results proved SCS a time saving and practically applicable method.