Green Synthesis of Silver Nanoparticles Using Catharanthus roseus Flower Extracts and the Determination of Their Antioxidant, Antimicrobial, and Photocatalytic Activity

Table 2

Classification of the synthesized AgNPs based on bandgap energy.

AgNPs sample	Bandgap energy (eV)	Classification
Light pink (LPF)	2.82	Semiconductors
Red (RF)	2.58
White pink dot (WPF)	2.48
White yellow dot (WYF)	2.48
Purple (PF)	2.48