Facile Synthesis, Characterization, and Photocatalytic Performance of BiOF/BiFeO3 Hybrid Heterojunction for Benzylamine Coupling under Simulated Light Irradiation

IF 2.3 Photochem Pub Date : 2023-03-21 DOI:10.3390/photochem3010012

Abdalla S. Abdelhamid, Reem H. Alzard, Lamia A. Siddig, Aya Elbahnasy, Duha Aljazmati, Zaina Kadoura, Hind Zeidane, Rufaida Elshikh, Ahmed Alzamly

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Abstract

Under simulated light irradiation, the aerobic oxidation of benzylamine to N,N-benzylidenebenzylamine was carried out as a model reaction to investigate the photocatalytic activity of a hydrothermally prepared composite based on BiOF and BiFeO3 materials. The prepared photocatalysts were characterized using several spectroscopic techniques, such as powder X-ray diffraction (PXRD), diffuse reflectance spectroscopy (DRS), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and Fourier transform infrared spectroscopy (FTIR). Band gap analysis showed that the composite exhibits a band gap that lies in the UV region (3.5 eV). Nonetheless, pristine BiOF and BiFeO3 exhibited band gaps of 3.8 eV and 2.15 eV, respectively. N,N-benzylidenebenzylamine was selectively achieved with a high conversion yield of ~80% under atmospheric conditions in which the product was confirmed using 1H-NMR, 13C-NMR, and FTIR spectroscopic techniques. Various control experiments were conducted to further confirm the enhanced photocatalytic performance of the reported composite.

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模拟光照射下BiOF/BiFeO3杂化异质结苯胺偶联的合成、表征及光催化性能

在模拟光照射下，以好氧氧化法制备N,N-苄基苄基苄胺为模型反应，研究了水热法制备的BiOF和BiFeO3材料复合材料的光催化活性。采用粉末x射线衍射(PXRD)、漫反射光谱(DRS)、扫描电子显微镜(SEM)、能量色散x射线光谱(EDX)和傅里叶变换红外光谱(FTIR)等光谱技术对所制备的光催化剂进行了表征。带隙分析表明，复合材料的带隙位于紫外区(3.5 eV)。然而，原始BiOF和BiFeO3的带隙分别为3.8 eV和2.15 eV。在常压条件下选择性地合成了N,N-苄基二苄胺，转化率高达~80%，并用1H-NMR、13C-NMR和FTIR光谱技术对产物进行了证实。进行了各种对照实验，进一步证实了所报道的复合材料增强的光催化性能。

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Photochem

CiteScore

3.60

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0.00%

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