One-minute ultrasound-assisted synthesis of nanostructured silver particles extracted from Desmodium gangeticum for enhanced photocatalytic degradation of toxic dyes and antibacterial studies

[Display omitted] •The DG-AgNPs was used as a photocatalyst for the degradation of four toxic dyes such as Aniline Blue, Indigo Carmine, Crystal Violet, and Brilliant Blue.•This method was successfully applied for the degradation of industrial dye wastewater degradation.•Further, we have studied the antibacterial activity of DG-AgNPs against Staphylococcus aureus and Escherichia coli bacteria.•The silver nanoparticles were synthesized by one-minute ultrasonication method by using Desmodium Gangeticum seed extract. In the present work, we are reporting a one-minute synthesis of silver nanoparticles using Desmodium gangeticum seed extract by ultrasonication method and their photocatalytic degradation of toxic dyes. The surface plasmon resonance (SPR) band of DG-AgNPs was observedat 411 nm. The calculated average particle size was 14.23 nm by HR-TEM. Toxic dyes such as Indigo Carmine, Crystal Violet, Aniline Blue, and Brilliant Blue have been degraded using DG-AgNPs as photocatalysts. Furthermore, DG-AgNPs,antibacterial activity was examined against the gram-positive and negative pathogens Staphylococcus aureus and Escherichia coli, the DG-AgNPs have shown excellent antibacterial efficacy.