Fig. 1

Schematic diagram of the Pechini sol gel process used for the synthesis of B2O3/FeB2O4/AlBO3/Fe3BO6/C and B2O3/Al4B2O9/FeB2O4/Fe2.964O4/C nanohybrids.

Schematic diagram of the Pechini sol gel process used for the synthesis of B2O3/FeB2O4/AlBO3/Fe3BO6/C and B2O3/Al4B2O9/FeB2O4/Fe2.964O4/C nanohybrids.