第43卷第3期2023年3月Vol.43,No.3Mar.,2023环境科学学报ActaScientiaeCircumstantiaeZIF-8点缀中空花球BiOI增强可见光降解双酚A朱禹*,韩志国,王博洧,候冬梅,苟永博,李玉秀泰州学院,医药与化学化工学院,江苏省手性医药化学品生物制造重点建设实验室,泰州225300摘要:光催化技术作为一种绿色、高效、廉价的水处理技术,被广泛应用于如内分泌干扰素等持久性有机物的降解治理.利用高比表面的金属有机框架材料修饰半导体材料可有效提高半导体的光催化性能.本研究以比表面积高且具有孔径规则的ZIF-8修饰中空花瓣状BiOI半导体材料,制备性能优异的BiOI/ZIF-8光催化复合材料.同时,利用多晶X射线衍射、扫描电子显微镜、高分辨透射电镜、紫外-可见漫反射等研究手段对样品进行表征.最后,采用高效液相色谱仪对光催化降解样品进行浓度分析,探究复合材料的光催化活性.结果表明,修饰后BiOI/ZIF-8复合材料的光催化性能显著增强,而当BiOI与ZIF-8质量比为1∶1时复合材料的光催化降解性能最好,可见光照射45min后对20mg⸱L-1双酚A溶液的降解率达到99.77%.通过活性自由基捕集实验和ESR测试分析了光催化的降解机理.关键词:光催化;碘氧化铋(BiOI);金属有机框架;双酚A;纳米复合材料文章编号:0253-2468(2023)03-0096-08中图分类号:X703文献标识码:AZIF-8modifiedhollowBiOIwithfollow-ballshapeforenhancedvisiblelightdegradationofbisphenolAZHUYu*,HANZhiguo,WANGBowei,HOUDongmei,GOUYongbo,LIYuxiuCollegeofPharmacyandChemistry&ChemicalEngineering,JiangsuKeyLaboratoryofChiralPharmaceuticalsBiomanufacturing,TaizhouUniversity,Taizhou225300Abstract:Asagreen,efficientandcheaptechnologyforwatertreatment,photocatalytictechnologyhasbeenwidelyusedinthedegradationofpersistentorganiccompoundssuchasendocrinedisruptors.Metal-organicframeworkswithhighspecificsurfacecaneffectivelyimprovethephotocatalyticperformanceofsemiconductors.Herein,BiOI/ZIF-8ofexcellentperformancehasbeenpreparedthroughdecoratingonthesurfaceofhollowpetal-shapedBiOIwithZIF-8whichpossesseshighspecificsurfaceareaandregularporesize.ThesampleswerecharacterizedbypolycrystallineX-raydiffraction,scanningelectronmicroscopy,high-resolutiontransmissionelectronmicroscopy,andUV-Visdiffusereflectance.Theconc...