Comparative study on structural and optical features of undoped and Eu3+ doped Pr6O11 synthesized via sol-gel and flame spray pyrolysis

Herein, it was aimed to differentiate features of undoped and europium (Eu3+) doped Pr6O11 particles fabricated via the sol-gel (SG) and flame spray pyrolysis (FSP) methods. The crystal phase structure, morphological, chemical, and optical features of synthesized Pr6O11 particles were characterized using an X-ray diffractometer (XRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), photoluminescence spectroscopy (PL), and UV–vis spectrophotometer. The results show that, compared with SG-based samples, Eu-doped Pr6O11 synthesized by FSP has excellent structural integrity, optical and electrical features, and morphology. This study outlines the development of a compatibility strategy between the production method and the final Pr6O11 powders, and that the optical, and electrical features may be controlled by selecting the proper dopant.