罗小虎1,杨德2,杨静3,曹茂启1,高林晓1,莫玉梅1,甄德帅1,3(1.黔南民族师范学院化学与化工学院,贵州都匀558000;2.费县大田庄乡卫生院,山东临沂273403;3.衡阳市市场监督检验检测中心,湖南衡阳421001)摘要:基于TiO2主体材料,通过镱掺杂改性制备了Yb-TiO2纳米光催化剂,并用XRD、FT-IR和PL等技术对样品的晶体结构和性能进行表征,优化了Yb-TiO2纳米光催化剂配比(0.8%),并以玫瑰红B模拟废水进行探针反应,分别在紫外光和可见光照下评价其光催化性能。与未掺杂TiO2纳米光催化剂进行对比,Yb-TiO2纳米光催化剂对玫瑰红B溶液表现出更高的光催化降解性能,在紫外光(90min)和可见光(180min)下的脱色率分别达到99%和90%。关键词:Yb-TiO2;光催化;玫瑰红B废水;降解中图分类号:TQ426;O643文献标志码:A文章编号:1004-0439(2023)04-0015-04PreparationandphotocatalyticactivityofYb-TiO2compositedcatalystLUOXiaohu1,YANGDe2,YANGJing3,CAOMaoqi1,GAOLinxiao1,MOYumei1,ZHENDeshuai1,3(1.CollegeofChemistryandChemicalEngineering,QiannanNormalUniversityforNationalities,Duyun558000,China;2.DaTianZhuangTownshipHealthCenter,Linyi273403,China;3.HengyangMarketSupervisionInspectionandTestingCenter,Hengyang421001,China)Abstract:TheYb-TiO2nano-photocatalystswerepreparedbyytterbiumdopedmodificationwhichbasedonTiO2asthemainmaterial,andthecrystalstructureandpropertiesofthesampleswerecharacter⁃izedbyXRD,FT-IR,andPL.TheproportionofYb-TiO2nano-photocatalyst(0.8%)wasoptimized,roseredBwasusedtosimulateorganicwastewaterastheprobereaction,andthephotocatalyticperformancewaseval⁃uatedunderultravioletandvisiblelight,respectively.ComparedwiththeunadulteratedTiO2nano-photocata⁃lyst,theYb-TiO2nano-photocatalystexhibitedhigherphotocatalyticdegradationperformanceforroseredBsolution,withadecolorizationrateof99%and90%underultravioletandvisiblelight,respectively.Keywords:Yb-SiO2;photocatalysis;roseredBwastewater;degradation收稿日期:2022-09-15基金项目:贵州省科技厅基础研究计划项目(黔科合基础-ZK[2022]一般551,黔科合基础-ZK[2022]一般547);贵州省教育厅自然科学项目(黔教技[2022]057号);湖南省自然科学基金联合基金项目(2022JJ90022);衡阳市科技计...