Dual functional polyherbal silver nanoparticles for efficient dye degradation and Fe3+ ion detection
Ayushma Vyavahare, Priyanshi Dhiraj Shah, Vivek Mishra, Abuzar Shakil Patel, Vasundhara Raina, Sarmita Sanjay Jana
TL;DR
This study creates silver nanoparticles using a mix of plant extracts that can efficiently break down dyes and detect iron ions.
Contribution
The use of a polyherbal system enhances nanoparticle stability and dual functionality for catalysis and ion detection.
Findings
Polyherbal AgNPs achieved 96% methylene blue degradation within 10 minutes.
The nanoparticles showed high sensitivity for Fe3+ detection with an R2 of 0.996.
Nanoparticles were spherical, 25 nm in size, and highly stable.
Abstract
Silver nanoparticle (AgNP) synthesis using plant extracts has gained significant attention due to its eco-friendly approach and functional versatility. In the present study, stable AgNPs were synthesised using a polyherbal system prepared by employing the extracts of Rubia cordifolia (roots), Terminalia arjuna (bark) and Bombax ceiba (thorns). The combination of chemically diverse phytoconstituents enabled efficient reduction, regulated nucleation and effective surface capping, resulting in well-dispersed, predominantly spherical AgNPs with enhanced colloidal stability. UV-visible spectroscopy confirmed nanoparticle formation through a characteristic SPR peak at 422 nm. HR-TEM analysis revealed predominantly spherical, polycrystalline nanoparticles with an average size of approximately 25 nm. Functionally, the polyherbal AgNPs exhibited excellent catalytic activity, achieving rapid…
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Taxonomy
TopicsNanomaterials for catalytic reactions · Advanced Nanomaterials in Catalysis · Molecular Sensors and Ion Detection