Research Article

Density Functional Theory-Based Predictions and Experimental Evaluations of Ferrocene Derivatives Considered as Mediator for Anodic Catalysts of Glucose and Oxygen Enzymatic Biofuel Cells

Figure 2

Molecular orbital (MO) energy diagram of HOMO and LUMO energy for Fc and Fc+ derivatives, respectively, by DFT methods (BLYP, B3LYP, and BH and HLYP).