Experimental characterization demonstrates green synthesis of iron-molybdenum disulfide nanohybrids from rice straw, highlighting potential biomedical uses.
In present work, synthesis of a nanohybrid material using Fe and MoS 2 has been performed via a cost‐effective and environmentally friendly route for sustainable manufacturing innovation. Rice straw extract was prepared and used as a reducing and chelating agent to synthesize the nanohybrid material by mixing it with molybdenum disulfide (MoS 2 ) and ferric nitrate [Fe (NO 3 ) 3 .9H 2 O], followed by heating and calcination. The X‐ray diffraction (XRD) pattern confirms the formation of a nanohybrid consisting of monoclinic Fe 2 (MoO 4 ) 3, cubic Fe 2.957 O 4 , and orthorhombic FeS with 86% consisting of Fe 2 (MoO 4 ) 3 . The properties were analyzed through Fourier‐transformed infrared spectroscopy (FTIR), atomic force microscopy (AFM), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The results of the dynamic light scattering (DLS) study revealed a heterogeneous size distribution, with an average particle size of 48.42 nm for 18% of particles and 384.54 nm for 82% of particles. Additionally, the zeta potential was measured to be −18.88 mV, suggesting moderate stability. X‐ray photoelectron spectroscopy (XPS) results confirmed the presence of both Fe 2+ and Fe 3+ oxidation states along with the presence of Molybdenum (Mo), oxygen (O), and Sulphur (S). The prepared nanohybrid material exhibited a band gap of 2.95 eV, and the photoluminescence intensity increased almost twice that of bare MoS 2 . The present work holds potential applications in photo luminescent nanoplatform for biomedical applications.
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Singh et al. (2024) studied this question.
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