Presentation Information
[P04-498]Plant-Derived Nanomaterial-Mediated Corrosion Inhibition: Mechanistic Insights into Phytochemical–Nanoparticle Interactions
○THEROLA SANGTAM THONGER1, AMBRISH SINGH SINGH1 (1. NAGALAND UNIVERSITY (India))
Keywords:
nanomaterial,plant-derived,sustainaibility
[Purpose] The increasing demand for sustainable and environmentally benign corrosion protection strategies has driven significant interest in green inhibitors derived from natural resources. This study aims to develop eco-friendly corrosion inhibition systems by integrating medicinal plant extracts with engineered nanomaterials. The work focuses on utilizing phytochemical-rich plant extracts as functional agents to enhance adsorption behavior and protective efficiency on metallic surfaces.
[Method] Medicinal plant extracts containing bioactive phytoconstituents such as alkaloids, flavonoids, tannins, and polyphenols were employed for the green synthesis of metal and metal oxide nanoparticles. These extracts acted as both reducing and stabilizing agents, enabling the formation of nanostructures under environmentally benign conditions. The synthesized nanomaterials were characterized using UV–Visible spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and X-ray Diffraction (XRD) to evaluate their optical properties, functional groups, and crystallinity. The corrosion inhibition performance was assessed by analyzing the adsorption behavior and surface interactions of the nanomaterials on metallic substrates.
[Results] Medicinal plant extracts containing bioactive phytoconstituents such as alkaloids, flavonoids, tannins, and polyphenols were employed for the green synthesis of metal and metal oxide nanoparticles. These extracts acted as both reducing and stabilizing agents, enabling the formation of nanostructures under environmentally benign conditions. The synthesized nanomaterials were characterized using UV–Visible spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and X-ray Diffraction (XRD) to evaluate their optical properties, functional groups, and crystallinity. The corrosion inhibition performance was assessed by analyzing the adsorption behavior and surface interactions of the nanomaterials on metallic substrates.
[Consideration] The synthesized plant-mediated nanoparticles exhibited enhanced surface functionality and stability, leading to improved interaction with metal surfaces. The presence of phytochemicals facilitated the formation of a protective adsorbed layer, contributing to increased surface coverage and reduced corrosion rates. The integration of nanoparticles significantly improved electron transfer resistance and overall inhibition efficiency compared to plant extracts alone. Structural analysis confirmed the successful formation of stable nanomaterials with desirable physicochemical properties.
[Conclusion] The improved corrosion inhibition performance can be attributed to the combined effect of phytochemical adsorption and nanomaterial-assisted surface modification. The interaction between functional groups present in plant extracts and the metal surface plays a critical role in forming a stable protective film. Additionally, nanoparticle incorporation enhances the uniformity and durability of the adsorbed layer. The adsorption process is governed by both physical and chemical interactions, indicating a complex inhibition mechanism.
[Method] Medicinal plant extracts containing bioactive phytoconstituents such as alkaloids, flavonoids, tannins, and polyphenols were employed for the green synthesis of metal and metal oxide nanoparticles. These extracts acted as both reducing and stabilizing agents, enabling the formation of nanostructures under environmentally benign conditions. The synthesized nanomaterials were characterized using UV–Visible spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and X-ray Diffraction (XRD) to evaluate their optical properties, functional groups, and crystallinity. The corrosion inhibition performance was assessed by analyzing the adsorption behavior and surface interactions of the nanomaterials on metallic substrates.
[Results] Medicinal plant extracts containing bioactive phytoconstituents such as alkaloids, flavonoids, tannins, and polyphenols were employed for the green synthesis of metal and metal oxide nanoparticles. These extracts acted as both reducing and stabilizing agents, enabling the formation of nanostructures under environmentally benign conditions. The synthesized nanomaterials were characterized using UV–Visible spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and X-ray Diffraction (XRD) to evaluate their optical properties, functional groups, and crystallinity. The corrosion inhibition performance was assessed by analyzing the adsorption behavior and surface interactions of the nanomaterials on metallic substrates.
[Consideration] The synthesized plant-mediated nanoparticles exhibited enhanced surface functionality and stability, leading to improved interaction with metal surfaces. The presence of phytochemicals facilitated the formation of a protective adsorbed layer, contributing to increased surface coverage and reduced corrosion rates. The integration of nanoparticles significantly improved electron transfer resistance and overall inhibition efficiency compared to plant extracts alone. Structural analysis confirmed the successful formation of stable nanomaterials with desirable physicochemical properties.
[Conclusion] The improved corrosion inhibition performance can be attributed to the combined effect of phytochemical adsorption and nanomaterial-assisted surface modification. The interaction between functional groups present in plant extracts and the metal surface plays a critical role in forming a stable protective film. Additionally, nanoparticle incorporation enhances the uniformity and durability of the adsorbed layer. The adsorption process is governed by both physical and chemical interactions, indicating a complex inhibition mechanism.
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