Synthesis and Characterization of Bi Methalic Nanoparticles (Ag-Ni) from the Leaf Extract of Vernonia Amiygdolina with the Evaluation of Photocatalytic Degradation of Methylene Blue Dye


Authors : Wilson Lamayi Danbature; Nasiru Yahaya Pindiga; Muhammad Adamu Ibrahim

Volume/Issue : Volume 10 - 2025, Issue 3 - March

Google Scholar : https://tinyurl.com/5jj36xxh

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DOI : https://doi.org/10.38124/ijisrt/25mar045

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Abstract : Nanoparticles are increasingly gaining scientific attention due to their wide range of applications, particularly in photocatalysis, as well as the growing interest in their synthesis. In this study, the photocatalytic degradation of methylene blue (MB) dye was examined under UV light in a photo-reactor with a wavelength of 350 nm, utilizing an eco-friendly and non-toxic method. Silver-nickel bimetallic nanoparticles were synthesized using Vernonia amygdalina leaf extract and characterized through SEM, UV-Vis, XRD, and FT-IR techniques. The UV-Vis spectrum of the nanoparticles showed a maximum absorbance at 300 nm, attributed to the surface plasmon resonance and the bio-reduction and capping agent present in the leaf extract. FTIR analysis indicated the presence of O-H stretching, likely from hydroxyl alcohol and phenols at 3584.73 cm-1, C-H stretching of alkanes at 2852 cm-1, C=C stretching of alkenes at 1651 cm-1, and an N-O symmetry stretch of nitro compounds at 1542 cm-1. SEM images revealed that the particles have a relatively uniform shape, with even distribution and homogeneity. XRD analysis showed peaks at 2θ values of 2.16°, 34.53°, 44.08°, and 64.32°, corresponding to the (110), (111), (210), and (311) planes, respectively. This confirmed a Face-Centered Cubic (FCC) structure, with an average crystallite size of 29.97 nm, calculated using the Scherrer equation. The photocatalytic degradation of methylene blue was studied under varying conditions through a batch adsorption experiment. The bimetallic nanoparticles exhibited high efficiency in dye degradation, achieving a maximum degradation rate of 98.50%. Kinetic studies followed a pseudo- first-order model (R2 = 0.9991). Thermodynamic calculations revealed a negative ΔGo and positive ΔHo, indicating that the photocatalytic degradation of MB dye by the nanoparticles is a spontaneous and endothermic process. The nanocatalyst's maximum photocatalytic degradation capacity was found to be 0.4 mg/g, representing a 98.50% degradation efficiency. These findings suggest that the synthesized nanocatalyst is an effective absorbent for the photocatalytic degradation of MB dye in aqueous solutions.

Keywords : Photocatalytic, Degradation, Vanomia Amygdalina, MB Dye Kinetic and Thermodynamic.

References :

  1. Siddique, M.  Khan, R.  Farooq A. K and  Farooq, R. Improved Photocatalytic Activity of TiO2 Coupling Ultrasound for Reactive Blue 19 Degradation. Journal of Chemical Society Pakistan., (2014|). 36(1): 1-37. 
  2. Maryin, L., Racheandre, R., Garcia, R. Z., Andrian, M. T., Silva, l. M. and Madera, I. R. Azo-dye orange 11.degradation by heterogeneous fentos-like process using a zeolite-Y-Fe-Catalyst-kinetics with a model based on Fermi”s equation”. Applied catalysis B. Environmental, (2014). 146:192-200.
  3. Castrol, M. I. Gonzalez, M. J. and Ballester, A. Gold silver plutonium nano particles biosynthesized using orange peel extract. Advanced Materials Research, (2013). 825: 556- 559.
  4. Prasad, R. Synthesis of Silver Nanoparticles in Photosynthetic Plants. Journal of  Nanoparticles, (2014).8: 1–8.
  5. Monsef K. Z., Ayazi, Z. and Dargahi M. Synthesis of Magnetic Graphene Oxide Nanocomposite for Adsorption Removal of Reactive Red 195: Modelling and  Optimizing via Central Composite Design, Internationa Journal, of Nanoscience and Nanotechnology, (2020). 16: 35-48.
  6. Monsef K. Z., Ayazi, Z. and Dargahi M. Synthesis of Magnetic Graphene Oxide Nanocomposite for Adsorption Removal of Reactive Red 195: Modelling and  Optimizing via Central Composite Design, Internationa Journal, of Nanoscience and Nanotechnology, (2020). 16: 35-48.
  7. Danbature, W.L., Shehu, Z., Yoro, M. and Adam, M. M. Nanolarvicidal Effect of Green Synthesized Ag-Co Bimetallic Nanoparticles on Culex quinquefasciatus Mosquito. Advances in Biological Chemistry, (2020). 10, 16-23.
  8. Etay, H., Kumar, A. and Yadav, O.P. (2023). Kinetics of photocatalytic degradation of methylene blue dye in aqueous medium using ZnO nanoparticles under UV radiation.  Journal of Analytical & Pharmaceutical Research, 12 (1): 32‒37
  9. Adamu, U. A., Hana, N. H. A., Uba Z.Z., Soraya N. S., Iqbal, A., Hussin, M. H. and Sherwyn, T. H. Low-temperature synthesis and characterization of porous chromium terephthalate MIL-101(Cr) and its photocatalytic degradation of phenanthrene.  Korean Journal Chemical Engineering, (2023).40(1):12-596
  10. Vo, T. T. N., Do, Q., Nguyen, N. D. and Nguyen, Q.  Photocatalytic Degradation of Azo Dye (Methyl Red) In Water under Visible Light Using Ag- Ni/TiO2 Sythesized by Irradiation Method International Journal of Environment, Agriculture and Biotechnology (IJEAB), (2017). 2(1): 529-539.
  11. Danbature, L. W., Zaccheus, S., Buhari, M., Yusuf, S. Y., and Dayoud, B. Thermodynamics and Kinetics Adsorption of Phenol Red on Carbon-cuo Nanocomposite” Journal of Global Ecology and Environment., (2019), 9 ( 3): 107-117.
  12. Pindiga, N. Y., Walid, A. H., Abdullahi, A. O., Mohammad, A. B. Kinetic, Equilibrium            and Thermodynamic Study of the Adsorption of Pb (II) and Cd (II) Ions from Aqueous Solution by the Leaves Biomass of Guava and Cashew Plants. Online Journal of                Chemistry, (2022), 2 (1):23–38.
  13. Kiranmai, M., Keethi, K., Charla, N., Keesara, S., Fatima, P. B. and Umar, B.  Green sy nthesis of stable copper nanoparticles and synergistic activity with antibiotics. Indian Journal of Pharmaceutical Science, (2017).79(5): 695-700
  14. Pindiga, N. Y., Khadija A. Y., Adamu, A. and David Y. M. Green Synthesis and Characterization of Cobalt, Iron and Cop-per Nanoparticles Derived from the Stem-Bark Extract of Khaya Senegalensis (Mahogany) and Its Antimicrobial Activity. Online Journal of Chemistry, (2022 ).1:1-13
  15. Danbature, W. L., Yoro, M., Nasiru, Y. P. and Zaccheus, S. Synthesis, Characterization and Catalytic Application of Magnetic Iron Nanoparticles (Fe3O4) in Biodiesel Production from Mahogany Khaya Senegalensis Seed Oil” Online Journal of Chemistry, (2022).1:85-94
  16. Rianyza, G., Tuty E. A., David, B. R. M. and Gustini, G. Preparation and Characterization of ZnO-Zeolite Nanocomposites for Photocatalytic Degradation by Ultra Violet Light.  Journal of Ecological Engineering, (2020). 22(2):178-186
  17. Siddique, M.  Khan, R.  Farooq A. K. and  Farooq, R. Improved Photocatalytic Activity of TiO2 Coupling Ultrasound for Reactive Blue 19 Degradation.  Journal Chemical Society Pakistan, (2014). 36(1): 1-37
  18. Kumar, A. and Pandey, G  The photocatalytic degradation of Methyl Green in presence of Visible light with photoactive NiO.10:LaO.05:TiO2 nanocomposites. Journal of Applied Chemistry, (2017). 10(9): 31-44
  19. Barakat, A. M., Muzafar, A. and Kanjwal, L. S. Influence of temperature on the photodegradatoin process using Ag-doped TiO2 nanostructures: Negative impact with the nano-fribers. Journal of molecular Catalysis and Chemical Society, (2012). 3(2): 29 – 32.
  20. Raheb, I., and Manlla, M. S. Kinetic and thermodynamic studies of the degradation of methylene blue by Photo-Fenton reaction. National Center for Biotechnology Information, (2021). 6(7): 1-41

Nanoparticles are increasingly gaining scientific attention due to their wide range of applications, particularly in photocatalysis, as well as the growing interest in their synthesis. In this study, the photocatalytic degradation of methylene blue (MB) dye was examined under UV light in a photo-reactor with a wavelength of 350 nm, utilizing an eco-friendly and non-toxic method. Silver-nickel bimetallic nanoparticles were synthesized using Vernonia amygdalina leaf extract and characterized through SEM, UV-Vis, XRD, and FT-IR techniques. The UV-Vis spectrum of the nanoparticles showed a maximum absorbance at 300 nm, attributed to the surface plasmon resonance and the bio-reduction and capping agent present in the leaf extract. FTIR analysis indicated the presence of O-H stretching, likely from hydroxyl alcohol and phenols at 3584.73 cm-1, C-H stretching of alkanes at 2852 cm-1, C=C stretching of alkenes at 1651 cm-1, and an N-O symmetry stretch of nitro compounds at 1542 cm-1. SEM images revealed that the particles have a relatively uniform shape, with even distribution and homogeneity. XRD analysis showed peaks at 2θ values of 2.16°, 34.53°, 44.08°, and 64.32°, corresponding to the (110), (111), (210), and (311) planes, respectively. This confirmed a Face-Centered Cubic (FCC) structure, with an average crystallite size of 29.97 nm, calculated using the Scherrer equation. The photocatalytic degradation of methylene blue was studied under varying conditions through a batch adsorption experiment. The bimetallic nanoparticles exhibited high efficiency in dye degradation, achieving a maximum degradation rate of 98.50%. Kinetic studies followed a pseudo- first-order model (R2 = 0.9991). Thermodynamic calculations revealed a negative ΔGo and positive ΔHo, indicating that the photocatalytic degradation of MB dye by the nanoparticles is a spontaneous and endothermic process. The nanocatalyst's maximum photocatalytic degradation capacity was found to be 0.4 mg/g, representing a 98.50% degradation efficiency. These findings suggest that the synthesized nanocatalyst is an effective absorbent for the photocatalytic degradation of MB dye in aqueous solutions.

Keywords : Photocatalytic, Degradation, Vanomia Amygdalina, MB Dye Kinetic and Thermodynamic.

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