杜鹃叶提取物中Mn、Sm-Mn掺杂和复合纳米颗粒的绿色合成及其抗菌、光催化和抗氧化性能的水浴评价

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Research Bulletin Pub Date : 2025-04-14 DOI:10.1016/j.materresbull.2025.113487

Uday Singh Thakur , Kuldeep Kumar , Kamal Jeet , Sunil Kumar , Naveen Thakur

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引用次数: 0

摘要

以杜鹃叶提取物为原料，制备了Mn纯纳米粒子、Sm-Mn掺杂纳米粒子和Sm-Mn复合纳米粒子。将掺杂NPs和复合NPs分别以98:02和50:50的比例混合Mn和Sm，并在标准实验室条件下在水浴中恒温保存。采用各种光谱技术对合成样品进行了表征。x射线衍射（XRD）模式证实了它们的结晶性，颗粒尺寸估计在10到16纳米之间。扫描电子显微镜（SEM）图像显示纯Mn纳米粒子主要呈棒状结构，而Sm-Mn掺杂纳米粒子和复合纳米粒子则呈现球形和棒状混合结构。透射电镜（TEM）分析表明，NPs的平均尺寸在13 ~ 23 nm之间。元素和有机成分由能量色散x射线光谱（EDX）和傅里叶变换红外光谱（FTIR）分析确定。能带隙在2.0 ~ 2.82 eV之间。x射线光电子能谱（XPS）分析证实了合成材料的纯度。采用孔扩散法对革兰氏阳性菌金黄色葡萄球菌（S.aureus）、枯草芽孢杆菌（B. subtilis）和革兰氏阴性菌大肠杆菌（E. coli）的抑菌活性进行了评价。此外，Sm-Mn掺杂NPs在90 min内对甲基橙（95.63%）、刚果红（94.29%）和亚甲基蓝（94.95%）染料表现出高效的光催化降解能力，其中Sm-Mn掺杂NPs的抗氧化活性最高（91.95%）。

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Green synthesis and waterbath evaluation of antibacterial, photocatalytic, and antioxidant properties in Mn, Sm-Mn doped and composite nanoparticles derived from Dodonaea viscosa leaves extract

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Green synthesis and waterbath evaluation of antibacterial, photocatalytic, and antioxidant properties in Mn, Sm-Mn doped and composite nanoparticles derived from Dodonaea viscosa leaves extract

The Mn pure, Sm-Mn doped, and Sm-Mn composite nanoparticles (NPs) were synthesized using Dodonaea viscosa L (DV) leaf extract. Mn and Sm were combined in ratios of 98:02 and 50:50 for doped and composite NPs respectively, and the mixture was kept at a controlled temperature in a waterbath under standard laboratory conditions. Various spectroscopic techniques were employed to characterize the synthesized samples. X-ray diffraction (XRD) patterns confirmed their crystallinity, with particle sizes estimated to range from 10 to 16 nm. Scanning electron microscopy (SEM) images revealed predominantly rod-like structures for pure Mn NPs, while Sm-Mn doped and composite NPs displayed a mix of spherical and rod-like shapes. Transmission electron microscopy (TEM) analysis indicated average NPs sizes ranging from 13 to 23 nm. Elemental and organic compositions were confirmed by energy-dispersive X-ray spectroscopy (EDX) and Fourier-transform infrared spectroscopy (FTIR) analysis. The energy band gaps ranged between 2.0 and 2.82 eV. X-ray photoelectron spectroscopy (XPS) analysis affirmed the purity of the synthesized materials. Antibacterial activity against human pathogens Gram-positive bacteria Staphylococcus aureus (S.aureus), and Bacillus subtilis (B. subtilis), and Gram-negative bacteria Escherichia coli (E. coli) was evaluated using the well diffusion method. Furthermore, Sm-Mn doped NPs exhibited highly efficient photocatalytic degradation for methyl orange (95.63 %), congo red (94.29 %), and methylene blue (94.95 %) dyes within 90 min. The highest antioxidant activity (91.95 %) was observed with Sm-Mn doped NPs.

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.