物理化学学报 >> 2011, Vol. 27 >> Issue (12): 2939-2945.doi: 10.3866/PKU.WHXB20112939

材料物理化学 上一篇    下一篇

HAP自组装球的简易合成及其光催化增效作用

杨小红2, 刘畅1, 刘金库1, 朱子春2   

  1. 1. 华东理工大学化学系, 上海 200237;
    2. 池州学院化学系, 安徽池州 247000
  • 收稿日期:2011-06-24 修回日期:2011-09-21 发布日期:2011-11-25
  • 通讯作者: 刘金库 E-mail:jkliu@ecust.edu.cn
  • 基金资助:

    国家自然科学基金(21071024)、安徽省科技计划项目(10140702017)、安徽省教育厅重点科研项目(KJ2010A244)和污染控制与资源化研究国家重点实验室开放课题(PCRRF09005)资助

Facile Synthesis of Assembly HAP Nanoribbon Spheres and the Synergized Action of Its Photocatalytic Properties

YANG Xiao-Hong2, LIU Chang1, LIU Jin-Ku1, ZHU Zi-Chun2   

  1. 1. Department of Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China;
    2. Department of Chemistry, Chizhou University, Chizhou 247000, Anhui Province, P. R. China
  • Received:2011-06-24 Revised:2011-09-21 Published:2011-11-25
  • Contact: LIU Jin-Ku E-mail:jkliu@ecust.edu.cn
  • Supported by:

    The project was supported by the National Natural Science Foundation of China (21071024), Science and Research Program of Anhui Province, China (10140702017), Key Project of Education Office of Anhui Provincem, China (KJ2010A244) and State Key Laboratory of Pollution Control, Resource Reuse Foundation, China (PCRRF09005).

摘要: 选择生物协同模板, 通过简单的控制组装工艺, 制备出结构均一有序的羟基磷灰石(HAP)纳米组装球.该纳米组装球整体尺寸约5-6 μm, 球体中心部分尺寸约为2.5-3 μm. 通过X射线粉末衍射(XRD)、透射电子显微镜(TEM)、扫描电子显微镜(SEM)、傅里叶变换红外(FT-IR)光谱、比表面积(BET)测试等手段对产物形貌、结构和比表面积进行了表征. 产物作为催化剂载体, 对氧化锌催化降解罗丹明B (RhB)的催化效率提高了125%,催化剂回收率提高了23.1%, 有效降低了催化剂的用量, 在有机物降解领域具有潜在的应用价值. 同时还对产物的控制生成过程和催化增效机理做了初步探讨.

关键词: 羟基磷灰石, 氧化锌, 纳米组装球, 光催化, 增效作用

Abstract: Hydroxyapatite (HAP) nanoribbon spheres with well-defined nanoscale structures and regular morphology were successfully synthesized using a bioactive cooperate template. The spheres are about 5-6 μm in diameter and they form from nanoribbons of 2.5 to 3 μm in length. The morphologies, structures, and surface areas of the products were studied by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy and Brunauer-Emmett-Teller (BET) analysis. In addition, the products were used as carried materials for the synthesis of the HAP/ZnO composite catalyst. The degradation rate of rhodamine B (RhB) increased by 125% and the recovery increased by 23.1% when using the composite as a catalyst compared with the ZnO nanoparticles. Possible mechanisms for the formation of the HAP assembly microspheres and their synergistic action are also discussed.

Key words: HAP, ZnO, Assembly sphere, Photocatalysis, Synergized action

MSC2000: 

  • O643