Abstract
The physiochemical and electrochemical characteristics of gold nanoparticles (AuNPs) produced by phytosynthesis technique at varying concentrations of Nyctanthes arbor-tristis flower (NAF) are presented in this study. The final porous carbon decorated AuNPs have possible applications in antibacterial research as well as energy storage field. Transmission electron microscopy (TEM) studies revealed tiny spherical shaped nanoparticles, and UV–visible spectroscopy showed size-dependent optical properties. Significant antibacterial efficacy against Pseudomonas aeruginosa was shown by the NAF-derived AuNPs. A symmetric supercapacitor with 64 F g−1 specific capacitance at 1 A g−1 and 97% cycling stability after 5000 charge-discharge cycles was produced using the as-synthesized electrode. This study provides a sustainable method for producing multifunctional nanomaterials by highlighting the potential of NAF-derived AuNPs for dual applications in the antibacterial and supercapacitor areas.
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