Rice straw waste‐based green synthesis and characterizations investigation of Fe‐MoS2‐derived nanohybrid

Author:

Singh Anjali1,Himanshu Magan1ORCID,Verma Bhawna1,Syed Asad2,Elgorban Abdallah M.2,Wong Ling Shing3,Lal Basant4,Singh Rajeev5,Srivastava Neha16ORCID

Affiliation:

1. Department of Chemical Engineering & Technology Indian Institute of Technology (BHU) Varanasi India

2. Department of Botany and Microbiology, College of Science King Saud University Riyadh Saudi Arabia

3. Faculty of Health and Life Sciences INTI International University Nilai Malaysia

4. Department of Chemistry Institute of Applied Sciences and Humanities, GLA University Mathura India

5. Department of Environmental Science Jamia Millia Islamia, (A Central University) New Delhi India

6. Department of Biotechnology Graphic Era (Deemed to be University) Dehradun Uttarakhand 248002 India

Abstract

AbstractIn present work, synthesis of a nanohybrid material using Fe and MoS2 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 (MoS2) and ferric nitrate [Fe (NO3)3.9H2O], followed by heating and calcination. The X‐ray diffraction (XRD) pattern confirms the formation of a nanohybrid consisting of monoclinic Fe2(MoO4)3, cubic Fe2.957O4, and orthorhombic FeS with 86% consisting of Fe2(MoO4)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 Fe2+ and Fe3+ 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 MoS2. The present work holds potential applications in photo luminescent nanoplatform for biomedical applications.

Funder

King Saud University

Publisher

Wiley

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