无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ

无机盐工业 ›› 2014, Vol. 46 ›› Issue (1): 73-.

• 论文 • 上一篇    

硫化镉插层制备K2La2Ti3-xCexO10 复合催化剂及其活性研究

刘 利1,林双龙1,胡金山1,齐跃丽1,2,崔文权1,3,梁英华1,宋延东1   

  1. 1.河北联合大学化学工程学院,河北唐山 063009;2.河北汇正工程技术有限公司;3.河北省无机非金属材料重点实验室
  • 出版日期:2014-01-10 发布日期:2014-01-13

Synthesis of CdS-intercalated K2La2Ti3-xCexO10 composite photocatalyst and photocatalystic activity thereof

Liu Li1, Lin Shuanglong1, Hu Jinshan1,Qi Yueli1,2,Cui Wenquan1,3,Liang Yinghua1,Song Yandong1   

  1. 1.School of Chemical Engineering,Hebei United University;Tangshan 063009,China;
    2.Hebei  Huizheng  Engineering  Technology  Co.,Ltd.;3.Hebei Provincial Key Laboratory of Inorganic Nonmetallic Materials
  • Published:2014-01-10 Online:2014-01-13

摘要: 采用硬脂酸法制备K2La2Ti3-xCexO10本体。分别采用微波辅助法和水浴法对K2La2Ti3-xCexO10进行质子交换、胺柱撑和硫化镉插层,制备了硫化镉插层K2La2Ti3-xCexO10催化剂。用X射线衍射(XRD)、扫描电镜(SEM)和紫外-可见漫反射(UV-vis)等手段对复合催化剂的晶型、粒径、表面形貌等进行表征,考察催化剂的可见光催化分解有机物活性。结果表明:在K2La2Ti3-xCexO10层间插入硫化镉可以将催化剂的光谱响应范围拓展到可见光区,提高了光催化降解有机物活性。水浴法制备的CdS-K2La2Ti3-xCexO10降解罗丹明B的降解率可以达到17.68%,而采用微波法制备的CdS-K2La2Ti3-xCexO10降解罗丹明B的降解率可以达到33.66%。

关键词: 光催化, K2La2Ti3-xCexO10, CdS插层, 降解

Abstract: The Ce-doped-K2La2Ti3O10(K2La2Ti3-xCexO10) was prepared via a stearic acid method,and CdS-intercalated K2La2Ti3-xCexO10 photocatalysts were prepared by microwave irradiation and water bath method,respectively.The crystal shape,particle size,and morphology of the  samples were characterized by X-ray diffractometer(XRD),electronic scanning electron microscopy (SEM),and UV-visible spectroscopy instrument (UV-vis).The photocatalytic properties of these cata- lysts for degradation of organics were also investigated.Results showed that,the intercalation of CdS expanded the absorption range to visible light,and the photocatalytic activity was enhanced.The photocatalytic activity of microwave-assisted CdS-K2La2Ti3-xCexO10 for the degradation of Rhodamine B was 33.66%,whereas the degradation of water bath prepared ones was 17.68%. Key words:photocatalysis;K2La2Ti3-

Key words: photocatalysis, K2La2Ti3-xCexO10, CdS intercalation, degradation

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