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Updated: Feb 1, 2026

Cell Labeling and Targeting with Superparamagnetic Iron Oxide Nanoparticles
Published on: October 19, 2015
Iron Oxide Nanoparticles as Potential Scaffold for Photocatalytic and Sensing Applications
Kuldeep Negi1, Dilbag Singh Rana2, Manoj Kumar1
1Department of Chemistry, Himachal Pradesh University, Shimla 171005, India.
Abstract:
Herein, we report photocatalytic and fluorescence sensing applications of iron oxide (α-Fe₂O₃) nanoparticles synthesized by facile low-temperature simple solution process. The synthesized nanoparticles were characterized by several techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM) attached with energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), UV-visible spectroscopy and fluorescence spectroscopy. The detailed analysis revealed that the synthesized nanoparticles were well-crystalline, grown in very high density and possessing rhombohedral α-Fe₂O₃ crystal structure. The prepared nanoparticles were used as efficient scaffold for photocatalytic and sensing applications. The detailed photocatalysis results revealed that in presence of an appropriate amount of α-Fe₂O₃ nanoparticles as photocatalyst, a significant dye degradation of methyl orange (MO) was observed in 140 min. In addition, the fabricated florescence sensor based on α-Fe₂O₃ nanoparticles exhibited a low detection limit of ∼3.33 μM/L towards picric acid. The observed results clearly confirmed that the synthesized α-Fe₂O₃ nanoparticles are potential scaffold for photocatalysis and sensing applications.
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