Bi_2S_3/BiOCl复合材料的制备及光催化性能的研究Preparation and Photocatalytic Performance of Bi_2S_3/BiOCl Composite
艾礼莉;王鲁香;贾欣欣;贾殿赠;
摘要(Abstract):
构建复合光催化材料不仅能够拓展单一光催化材料的光谱响应范围,而且能够提高光生载流子的分离效率.为了进一步提高BiOCl在可见光下的光催化性能,本文利用BiOCl与Bi_2S_3溶度积常数的差异,将Na_2S溶液加入到BiOCl纳米片悬浮液中,通过水热反应制备了Bi_2S_3/BiOCl复合光催化材料.探讨分析了Na_2S浓度对所得复合材料光催化还原六价铬[Cr(Ⅵ)]性能的影响.研究结果表明:Bi_2S_3/BiOCl复合材料具有较强的可见光吸收能力和较高的光生载流子分离效率,当Na_2S的浓度为0.016 mol/L时所得复合材料具有最佳的光催化性能.
关键词(KeyWords): 光催化;Bi_2S_3/BiOCl复合材料;Cr(Ⅵ)
基金项目(Foundation): 国家自然科学基金(52072326);; 新疆维吾尔自治区研究生科研创新项目(XJ2019G016);; 新疆大学优秀博士创新项目(XJUBSCX-2017008)
作者(Authors): 艾礼莉;王鲁香;贾欣欣;贾殿赠;
DOI: 10.13568/j.cnki.651094.651316.2020.11.03.0001
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