Abstract
In this work, we carried out the synthesis of lead(II) divanadate(V) by means of a soft chemistry reac- tion based on a sol-gel-derived route. The final organic precursor was heat treated (T = 400, 500, 600, 750 and 800 C) and structurally analyzed for each temperature by taking into account the results of FTIR spectroscopy, synchrotron X-ray powder diffraction and X-ray absorption near-edge structure. As an overall result, we report a final compound with remarkable crystallographic and morpho- logical qualities that seem to keep all its structural features in the temperature range 450-700 C before the structure incongruently melts. As a highlight, the desired material was obtained following a highly reproducible, low-cost, low-temperature and quite straightforward chemical route. Besides, this synthesis route could also allow the appro- priate integration of lead(II) divanadate(V) nanoparticles, or nanolayers, into more complex systems as well as the feasibility for being expanded to other materials.
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