Bi2O3 NPS的合成、表征及亚甲基蓝光催化应用

Pub Date : 2021-06-09 DOI:10.21203/rs.3.rs-577935/v1

Fowziya Shaik Ali S.A, F. A. Marzouqi, M. Ragamathunnisa, M. IsmailFathima, A. Jahangir, A. Ayeshamariam, K. Kaviyarasu

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引用次数: 4

摘要

以硝酸铋（III）（Bi（NO3）3.6H2O）、氢氧化钠（NaOH）和硝酸（HNO3）为原料，未经超纯水进一步纯化，采用水热法成功合成了纳米氧化铋。研究两种不同NaOH沉淀剂摩尔比的样品（1:5）和（1:6）的结构、光学和光催化活性。通过X射线衍射（XRD）、紫外-可见光谱（UV-Vis）、扫描电子显微镜（SEM）、能量色散X射线光谱（EDAX）、傅立叶变换红外光谱（FTIR）和X射线光电子能谱（XPS）对制备的纳米颗粒进行了表征。基于所获得的结果，水热合成的Bi2O3纳米粒子在LED白光照射下对亚甲基蓝的光催化降解表现出良好的效率。

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Synthesis and Characterization of Bi2O3 NPS and Photocatalytic Application with Methylene Blue

Nanoparticles of bismuth oxide were successfully synthesized by hydrothermal process which included Bismuth (III) nitrate (Bi(NO3)3.6H2O), sodium hydroxide(NaOH) and Nitric acid(HNO3) without further purification along with ultra-pure water. To investigate the structural, optical, and photocatalytic activity of two samples (1:5) and (1:6) respectively with two different NaOH precipitating agent molar ratios. The prepared nanoparticles were characterized by X-ray diffraction (XRD), UV-Vis’s spectrometer, scanning electron microscope (SEM), Energy-dispersive X-ray spectroscopy (EDAX), Fourier transform infrared spectroscopy (FTIR) and X-ray Photo electron Spectroscopy (XPS). Based on the obtained results the hydrothermally synthesized Bi2O3 NPs exhibit good efficiency to photocatalytic degradation of Methylene blue under the irradiation of LED white light.

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