Nifty Copper Infused Carbon Nanofibers Endorsed with Robust Microbicide Activity and Supercapacitor Properties

Abstract: Antibiotics have been known for decades for the management of microorganisms, and their overuse and irrational applications are causing increased bacterial resistance. This study explores the synthesis of a novel composite material comprising carbon nanofibers (CNFs) and copper (Cu) through the electrospinning technique. The electrospinning allowed precise integration of Cu nanoparticles within the CNF matrix, resulting in a synergistic combination of their distinct properties. Scanning electron microscopy (SEM) and Electron probe microanalysis (EPMA) revealed that CNFs were densely covered by Cu nanoparticles. The study investigated structural characteristics of Cu infused CNFs, emphasizing their potential for dual applications as an antimicrobial agent and as a supercapacitor electrode. The antimicrobial efficacy of Cu infused CNFs (Cu@CNFs), is explored in the context of inhibiting bacterial (E. coli) and Candida albicans growth, indicating that it is a durable candidate for biomedical procedures, such as antimicrobial filters, coatings and wound dressings, etc. Concurrently, the electrochemical performance of CNFs composite is evaluated for its suitability as a supercapacitor electrode, taking advantage of the high conductivity of CNFs and pseudo-capacitance of Cu nanoparticles. The results showed specific capacitance of Cu@CNFs displayed a larger specific capacitance of 496 F/g. Additionally, the presence of Cu nanoparticles in the mat generated robust microbicide action.