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Developing metal oxide nanocomposite with superior gas-sensing properties is an important subject in the field of gas sensor. In this paper, we reported a facile synthesis route for ZnFe2O4/α-Fe2O3 porous microrods (PMRs) by using dual oxalates as sacrificial template. FeC2O4·2H2O solid microrods (SMRs) were first synthesized by a chemical precipitation reaction between FeSO4·7H2O and H2C2O4·2H2O,...
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