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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Novel photocatalysts of fly ash cenospheres supported BiOBr hierarchical microspheres with high photocatalytic performance
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Novel photocatalysts of fly ash cenospheres supported BiOBr hierarchical microspheres with high photocatalytic performance

机译:粉煤灰CENOSHERES的新型光催化剂支持具有高光催化性能的BIOBR等级微球

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摘要

A novel fly-ash cenospheres (FACs) supported BiOBr hierarchical microspheres were successfully prepared via a facile one-pot solvothermal method. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), UV-visible diffuse reflectance spectroscopy (DRS) and N_2 adsorption-desorption isotherms. The results indicated that polyvinylpyrrolidone (PVP) facilitated the loading of BiOBr hierarchical microspheres. Based on the photodegradation tests under visible light irradiation (λ> 420 nm), the photocatalytic property of PVP/BiOBr/FACs photocatalysts was superior to that of BiOBr/FACs.
机译:通过容易的单罐溶剂热法成功制备了一种新型的粉煤灰CENOSHERE(FACS)支持的BIOBR分层微球。 通过X射线衍射(XRD),扫描电子显微镜(SEM),能量分散光谱(EDS),UV可见光差异反射光谱(DRS)和N_2吸附 - 解吸等温线的制备样品。 结果表明,聚乙烯基吡咯烷酮(PVP)促进了BioBR等级微球的负载。 基于可见光照射下的光降解试验(λ> 420nm),PVP / BIOBR / FACS光催化剂的光催化性能优于BIOBR / FACS的光催化性。

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