Biogenic synthesis of LaMnO3 perovskite nanoparticles: enhanced photocatalytic activity for water purification

IF 2.8 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Materials Science: Materials in Electronics Pub Date : 2024-11-30 DOI:10.1007/s10854-024-13742-7

G. S. Shivaganga, V. Lakshmi Ranganatha, Jameel Al-Tamimi, Abdel-Basit Al-Odayni, C. Mallikarjunaswamy, G. Nagaraju, P. Parameswara

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Abstract

The LaMnO₃ nanoparticles were successfully produced using the solution combustion method followed by calcination at 500 °C. Various spectroscopic techniques were utilized to analyze the nanoparticles and verify their surface characteristics and structural properties. X-ray diffraction studies confirmed that the synthesized LaMnO₃ nanoparticles possessed an orthorhombic crystalline structure, with a crystallite size of 30 nm. The morphology of the LaMnO₃ nanoparticles was determined using scanning electron microscopy which are cube shape. Fourier transform infrared spectroscopy and energy dispersive spectroscopy were employed to identify the functional groups and elemental composition, respectively. Additionally, LaMnO₃ was employed as a photocatalyst for degrading methylene blue dye under visible light exposure, exhibiting high efficiency of 99% within 90 min of irradiation.

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LaMnO3钙钛矿纳米颗粒的生物合成：增强水净化的光催化活性

采用溶液燃烧法和500℃煅烧法制备了LaMnO3纳米颗粒。利用各种光谱技术对纳米颗粒进行了分析，并验证了其表面特征和结构特性。x射线衍射研究证实，合成的纳米LaMnO3具有正交晶型结构，晶粒尺寸为30 nm。采用扫描电子显微镜对纳米LaMnO3的形貌进行了表征，纳米LaMnO3呈立方体形状。利用傅里叶变换红外光谱和能量色散光谱分别对其官能团和元素组成进行了鉴定。此外，在可见光照射下，LaMnO3作为光催化剂降解亚甲基蓝染料，在照射90 min内，降解效率高达99%。

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来源期刊

Journal of Materials Science: Materials in Electronics 工程技术-材料科学：综合

CiteScore

5.00

自引率

7.10%

发文量

1931

审稿时长

2 months

期刊介绍： The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.