物理化学学报 >> 2010, Vol. 26 >> Issue (02): 527-530.doi: 10.3866/PKU.WHXB20100239

材料物理化学 上一篇    

具有结晶孔壁介孔镁锌氧复合物

耿旺昌, 赖小勇, 李晓天   

  1. 西北工业大学理学院, 西安 710072; 吉林大学材料科学与工程学院, 长春 130012
  • 收稿日期:2009-08-09 修回日期:2009-12-09 发布日期:2010-01-26
  • 通讯作者: 耿旺昌 E-mail:w.geng@nwpu.edu.cn

Ordered Mesoporous MgZnO with Crystalline Walls

GENG Wang-Chang, LAI Xiao-Yong, LI Xiao-Tian   

  1. School of Science, Northwestern Polytechnical University, Xi'an 710072, P. R. China; College of Materials Science and Engineering, Jilin University, Changchun 130012, P. R. China
  • Received:2009-08-09 Revised:2009-12-09 Published:2010-01-26
  • Contact: GENG Wang-Chang E-mail:w.geng@nwpu.edu.cn

摘要:

以介孔碳为硬模板经过二次填充制备了介孔镁锌氧复合物. 采用X射线衍射(XRD), 透射电镜(TEM), 扫描电镜(SEM), N2吸附脱附等手段对材料的结构及形貌进行了表征. 结果表明, 所制备的材料在具有高有序介孔结构的同时还具有结晶的孔壁. 孔径尺寸均为4.0 nm, 比表面积均为114.5 m2·g-1. 广角XRD结果初步表明, 材料中氧化镁和氧化锌复合形成了固溶体. 该材料作为一种半导体材料有望在光学器件领域获得新的应用价值.

关键词: 介孔, MgZnO, 半导体, 硬模板法, 结晶孔壁

Abstract:

Ordered mesoporous MgZnO was synthesized using mesoporous carbon CMK-3 as hard template and Mg(NO3)2·6H2Oaswell as Zn(NO3)2·6H2Oas precursors forMgOand ZnO, respectively. The morphology and mesoporous structure of the as-prepared MgZnO were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and N2 adsorption-desorption. The results demonstrate that MgZnO has a highly ordered mesoporous structure as well as crystalline pore walls. The average pore size is about 4.0 nm and the BET surface area is about 114.5 m2·g-1. Additionally, wide angle XRD results indicate that a solid solution of MgO and ZnO is formed. As a semiconductor material, mesoporous MgZnO has potential application in optical devices.

Key words: Mesoporous, MgZnO, Semiconductor, Hard template method, Crystalline pore wall

MSC2000: 

  • O649