Abstract

ABSTRACTThis study explores the eco‐friendly synthesis of nanoparticles using natural sources, specifically employing Cassia fistula leaf extract for the production of boron nitride nanoparticles. Characterization of the synthesized nanoparticles was performed using Raman spectroscopy and UV‐visible spectroscopy to identify functional groups. Ab initio studies were conducted to investigate the electronic properties of the boron nitride nanostructures. The structural analysis through powder x‐ray diffraction confirmed a hexagonal configuration of the nanoparticles. Scanning electron microscopy and transmission electron microscopy revealed particle sizes below 100 nm. Laboratory experiments demonstrated that sunflower seeds treated with 1500 ppm of green‐synthesized nano boron nitride achieved the highest germination rate of 98.2%, surpassing other concentrations and chemically synthesized nanoparticles, which reached 93.9% at 2000 ppm. The control treatment yielded a germination rate of 76.2%. The eco‐friendly synthesized nanoparticles exhibited superior efficacy compared to both chemically synthesized nanoparticles and conventional fertilizers.

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