Green Synthesis of Fe Doped TiO2 Nanoparticles Using Aegle marmelos Leaves Extract for the Photocatalytic Degradation of Rhodamine B Dye

IF 0.8 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Shivani Chaudhary, Surya Pratap Goutam, Anil Kumar Yadav, Gajanan Pandey
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引用次数: 1

Abstract

The present study describes the green synthesis of iron/titanium dioxide nanoparticles to enhance their photocatalytic applicability for degradation of commonly encountered pollutant Rhodamine B (RhB) dye. Iron-doped TiO2 nanoparticles with the crystallite size 25 nm were successfully synthesized by a simple, eco-friendly synthesis route using Aegle marmelos leaf extract. Morphological and structural characterization of the product was done by the field emission scanning electron microscopy (FESEM), EDS, high-resolution X-ray diffraction (HRXRD) and Fourier transform infrared spectroscopy. SEM images reveal the circular morphology of TiO2 nanoparticles with interparticle gaps. According to the result of particle size analyzer, the average particle size was 34 nm which concur well with the mean crystallite size 25 nm as obtained from HRXRD. The energy band gap of the sample was determined from the UV–visible spectrum, which unveiled better absorption of light in the visible region owing to noteworthy lowering of the energy band gap of TiO2 after doping. Brunauer–Emmett–Teller (BET) characterization was also performed to analyze the specific surface area and mean pore diameter of the synthesized sample. Furthermore, the photocatalytic investigation indicates that the synthesized nanoparticles have exhibited catalytic performance in the degradation of Rhodamine B dye.

Abstract Image

凝胶柑桔叶提取物绿色合成Fe掺杂TiO2纳米颗粒光催化降解罗丹明B染料
本研究描述了铁/二氧化钛纳米颗粒的绿色合成,以提高其光催化降解常见污染物罗丹明B (RhB)染料的适用性。采用简单、环保的合成方法,成功合成了晶粒尺寸为25 nm的铁掺杂TiO2纳米颗粒。利用场发射扫描电镜(FESEM)、能谱仪(EDS)、高分辨率x射线衍射仪(HRXRD)和傅里叶变换红外光谱对产物进行了形貌和结构表征。SEM图像显示TiO2纳米颗粒呈圆形,颗粒间有间隙。根据粒度分析仪的测定结果,样品的平均粒度为34 nm,与HRXRD测得的平均晶粒尺寸25 nm基本一致。通过紫外可见光谱测定样品的能带隙,发现掺杂后TiO2的能带隙明显降低,使得样品在可见光区吸收效果更好。采用BET (brunauer - emmet - teller)表征分析了合成样品的比表面积和平均孔径。此外,光催化研究表明,合成的纳米颗粒对罗丹明B染料的降解具有良好的催化性能。
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来源期刊
CiteScore
2.60
自引率
0.00%
发文量
37
审稿时长
>12 weeks
期刊介绍: To promote research in all the branches of Science & Technology; and disseminate the knowledge and advancements in Science & Technology
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