Abstract
Cobalt, nickel and copper doped non-stoichiometric CdGa 2 O 4 were synthesized via epoxide gel approach. Cubic spinel arrangement of undoped and doped samples was investigated from powder X-ray diffraction pattern and the complete structure analysis was done by using Raman spectroscopy. Additionally, morphology of doped samples was analysed by FESEM images and elemental ratio of these samples have been obtained using Energy Dispersive spectrum (EDS). The oxidation state of doped metal ions was determined by optical and photoluminescence spectroscopy. The magnetic study of the doped samples showed the antiferromagnetic and ferromagnetic behaviour. The variation of band gap in transition metal doped samples has been favourably utilized for the photodegradation studies of aqueous solution of methylene blue and Rhodamine B dye.
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