Biosynthesis of TiO2 nanoparticles using red seaweed: Detailed characterization
Paper Details
Biosynthesis of TiO2 nanoparticles using red seaweed: Detailed characterization
Abstract
This research presents the green synthesis of titanium dioxide (TiO₂) nanoparticles (NPs) using red seaweed extract and their comprehensive characterization through various analytical techniques. The synthesis process yielded spherical and crystalline TiO₂ NPs with sizes ranging from 93.20 to 110.5 nm. Characterization was performed using SEM, TEM, FTIR, XRD, DLS, and AFM analyses. SEM and TEM revealed highly crystalline structures with well-defined lattice fringes, confirming their suitability for photocatalytic applications. FTIR analysis indicated the presence of organic residues and the successful formation of TiO₂. XRD analysis identified prominent peaks corresponding to anatase and rutile phases, with minor indications of brookite phase or impurities. DLS measurements showed a Z-average diameter of 114 nm with a moderately broad size distribution (PDI of 0.34). AFM analysis highlighted the moderately rough surface and high surface area, enhancing photocatalytic efficiency. This study underscores the potential of red seaweed extract-mediated synthesis as a green, sustainable method for producing TiO₂ NPs with promising photocatalytic properties, suggesting further optimization for enhanced applications in environmental remediation and antimicrobial treatments.
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Swapnil B. Patil, D. B. Nakade (2025), Biosynthesis of TiO2 nanoparticles using red seaweed: Detailed characterization; IJB, V26, N3, March, P36-45
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