Strategy to Improve the Magnetic and Visible Light Induced Photocatalytic Properties of KBiFe2O5

IF 0.7 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Physics and Chemistry Pub Date : 2026-02-20 DOI:10.1134/S1087659625600097

B. Ramakrishna, P. H. K. Charan, Ch. Jagadeesh, T. Gunavardhana Naidu, M. Ramanaiah

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Abstract

The recently identified intriguing room-temperature multiferroic photoactive material KBiFe₂O₅ (KBFO) has potential uses in visible light-induced photocatalysis for environmental clean-up and photovoltaics for solar energy harvesting. We adopted the addition of polymeric surfactant polyvinylpyrrolidone (PVP) via sol-gel route, to improve the magnetic and visible light induced photocatalytic properties of KBFO, and thus obtained results are reporting here. The addition of PVP had significant influence on the particle size and the morphology of the synthesized KBFO polycrystalline samples. KBFO synthesized via addition of PVP showed four time’s higher magnetization value and double rate constant when compared to KBFO obtained without addition of PVP. The improved in magnetic and photocatalytic properties of KBFO is attributed to larger surface area and regular shaped morphology. The obtained results provide deeper understanding of relation between the material processing, morphology and its influence on the physical properties.

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提高KBiFe2O5磁性和可见光诱导光催化性能的策略

最近发现的有趣的室温多铁光活性材料KBiFe2O5 （KBFO）在环境净化的可见光诱导光催化和太阳能收集的光伏发电方面具有潜在的用途。我们通过溶胶-凝胶途径加入聚合表面活性剂聚乙烯吡咯烷酮（PVP），改善了KBFO的磁性和可见光诱导光催化性能，因此得到的结果在这里报道。PVP的加入对合成的KBFO多晶样品的粒径和形貌有显著影响。添加PVP合成的KBFO比未添加PVP合成的KBFO磁化强度提高4倍，速率常数提高2倍。比表面积的增大和光催化性能的提高是由于KBFO具有规则的形貌。所得结果对材料的加工、形貌及其对物理性能的影响之间的关系提供了更深入的认识。

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.