One-step solution combustion synthesis of γ-Fe2O3/graphite/GO hybrid nanocomposite: Magnetic, photocatalytic, and electrochemical properties
Source abstract
Abstract
We report a cost-effective, single-step combustion synthesis of γ-Fe2O3/graphitic/graphene oxide (GO) hybrid nanocomposite. Comprehensive characterization using XRD, EDS, FESEM, TEM, XPS, Raman, FTIR, thermal analysis, and BET confirmed the materials structure and properties. Raman spectra exhibited D and G bands with an ID/IGratio of 0.97, indicating defects in the carbon matrix. FTIR analysis identified a C–O stretching band at 1140 cm⁻1, confirming the presence of GO. The nanocomposite displayed a type IV isotherm with a BET surface area of 50.24 m2/g, suitable for catalytic applications. Magnetic measurements revealed coercivities of ~85 Oe at 300 K and ~690 Oe at 2 K, characteristic of soft magnetic materials. Electrochemical studies indicated non-redox diffusion-controlled reactions with a charge transfer resistance of ~135 Ω. The photocatalytic methylene blue dye degradation efficiency γ-Fe2O3/graphitic/graphene oxide (GO) was attributed to structural defects within the composite.Graphical abstract
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Graphene research and applications · Iron oxide chemistry and applications · Nanomaterials for catalytic reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (41)
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