Substituted Co–Cu–Zn nanoferrites: synthesis, fundamental and redox catalytic properties for the degradation of methyl orange

Abstract

Co_0.6Zn_0.4Cu_0.2M_xFe_1.8−xO₄ (M = Zn²⁺, Co²⁺, Ni²⁺ and Mn³⁺. <italic>x</italic> = 0.2, 0.4, 0.6 and 0.8) magnetically recyclable catalysts have been synthesized <italic>via</italic> a sol–gel auto combustion method.