| 源于铋玻璃的富氧空位BiOCl光催化材料的原位合成及性能 | |
| In-Situ Synthesis and Performance of Oxygen Vacancy-Rich BiOCl Photocatalytic Material Derived from Bismuth-Based Glass | |
| 摘要: 氧空位对光催化材料的可见光吸收范围与电子-空穴分离效率都具有重要影响，铋玻璃内含有丰富的氧空位缺陷。采用盐酸腐蚀铋玻璃原位合成 BiOCl光催化材料，研究了玻璃网络外体对氧空位浓度的影响规律，并利用 X射线衍射(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)以及电子顺磁共振(EPR)对合成的BiOCl材料的结构、形貌以及氧空位浓度进行表征。结果表明，Bi2O3-B2O3-ZnO系铋玻璃随着网络外体组分的增加，玻璃中的氧空位缺陷增多，原位合成的 BiOCl将“继承”玻璃中大量氧空位，在可见光下照射100 min时对罗丹明B的降解率可达到93.1%。 | |
| 关键词: 光催化材料 BiOCl 铋玻璃 富氧空位 | |
| 基金项目: 国家自然科学基金(No.52002387)资助 | |
| Abstract: Oxygen vacancies enact a vital role on the visible light absorption range and electron-hole separation efficiency of the photocatalytic material. Bismuth-based glass is rich in oxygen vacancy defects. BiOCl photocatalytic material was synthesized in-situ by hydrochloric acid corrosion of bismuth-based glass, and the influence of the outer body of the glass network on the oxygen vacancy concentration was studied. X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM) and electron paramagnetic resonance (EPR) were used to characterize the structure, morphology, and oxygen vacancy concentration of the synthesized BiOCl material. The results showed that the number of oxygen vacancies of the Bi2O3-B2O3-ZnO bismuth-based glass increased with the increase of the external body composition of the network. The in-situ synthesized BiOCl will “inherit”a large number of oxygen vacancies in the glass. The degradation rate of rhodamine B was as high as 93.1% under visible light for 100 min. | |
| Keywords: photocatalytic materials BiOCl bismuth-based glass oxygen-rich vacancies | |
| 投稿时间：2021-11-01 修订日期：2021-12-15 | |
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| 董文静,任海深,谢天翼,林慧兴.源于铋玻璃的富氧空位BiOCl光催化材料的原位合成及性能[J].无机化学学报,2022,38(3):501-509. | |
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