Solvothermal synthesis of α-Fe2O3/rGO nanostructures with high porosity for photocatalytic dye degradation of methylene blue

被引：0

作者：

Jahan, S. J. Farhath ^{[1
]}

Damodarakurup, Sajeev ^{[1
]}

机构：

[1] Univ Kerala, Govt Coll, Dept Phys, Thiruvananthapuram, Kerala, India

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2025年

关键词：

alpha-Fe2O3 with rGO; solvothermal method; photocatalysis; dye degradation; nanocomposite; REDUCED GRAPHENE OXIDE; HEMATITE; ADSORPTION; NANOCOMPOSITE; NANOPARTICLES; NANOCRYSTALS; MORPHOLOGY; PARTICLES; MECHANISM;

D O I：

10.1177/02670836251355859

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hematite (alpha-Fe2O3)/reduced graphene oxide (rGO) nanocomposite powder was synthesized via a novel single-step solvothermal method using iron precursors (FeCl3<middle dot>6H(2)O: FeCl2) and CaC2 along with PVP. XRD, FESEM, EDX, TEM, Raman, FTIR, and BET were used for the characterization of the material. FESEM showed rod and sphere-like morphologies with wrinkled rGO flakes. A weak 2D Raman band at 2428 cm(-1) and a strong band at 1291 cm(-1) confirmed the presence of rGO. BET analysis indicates macroporosity with a 153 & Aring; pore diameter, attributed to PVP in the crystal growth medium. Photocatalytic studies show that alpha-Fe2O3/rGO efficiently degrades methylene blue with 90% efficiency in neutral and alkaline media, and exhibits good stability, highlighting its potential for photocatalytic applications.

引用

页数：12

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