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ISSN 2063-5346
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Synthesis of V2O5 with Acid Blue 9 molecules for Optoelectronic Device Applications

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S. Reshma Chandran, C Andal, E Kavitha
» doi: 10.31838/ecb/2023.12.6.248

Abstract

Vanadium pentoxide (V2O5) with organic dye acid blue 9 molecule was synthesized using precipitation method with distilled water as solvent. The synthesized powdered sample was characterized by Powder X-ray Diffraction (PXRD), Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR), UV-vis-NIR spectroscopy and Photoluminescence spectroscopy analyses. PXRD pattern shows that the synthesized sample was in the micro rod like structure. SEM picture informs the morphology of the synthesized sample as in micro rod-shaped structure. The UV-vis- NIR absorption spectrum shows an absorption band at 245 nm which is the cut off wavelength of the synthesized powder sample and to confirm dielectric nature. The photoluminescence spectrum exhibits infrared light at Eg=1.62 eV due to V2O5 molecule levels located inside the band gap along with acid blue 9 molecule. The calculated dielectric values of the sample V2O5 and synthesized sample were 0.44 and 0.55 which imply the dielectric nature of synthesized sample.

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