钛掺杂对介孔硅材料结构性能的影响

无机材料学报

钛掺杂对介孔硅材料结构性能的影响

王连洲; 施剑林; 禹剑; 阮美玲; 严东生

中国科学院上海硅酸盐研究所高性能陶瓷与超微结构国家重点实验室; 上海 200050

收稿日期:1998-02-20 修回日期:1998-03-10 出版日期:1999-02-20 网络出版日期:1999-02-20

Effect of Ti-Doping on the namework Structure of Mesoporous Silica

WANG Lian-Zhou; SHI Jian-Lin; YU Jian; RUAN Met-Ling; YAN Dong-Sheng

State Key Lab Of High Performance Ceramics and Superfine Microstructure; Shanghai Institute ofCemrnics; Chinese Academy of Sciences Shanghai 200050 China

Received:1998-02-20 Revised:1998-03-10 Published:1999-02-20 Online:1999-02-20

摘要/Abstract

摘要： 在室温碱性条件下合成了Ti掺杂的介孔硅材料MCM－41，借助XID、IR、HREM和N₂吸附等分析手段，探讨了Ti掺杂量对介孔材料结构和性能的影响．结果表明：掺杂的Ti离子可以进入Si骨架，并生成Si－O－Ti键．随着Ti掺杂量的增加，六方规则排列的介孔硅结构有序度下降，最终可导致结构一致性的破坏．

关键词: 介孔硅材料, Ti掺杂, 介孔结构

Abstract: The Ti-doped mesoporous silica MCM-41 materials were synthesized under basic conditionat room temperature. The characteristics of samples were investigsted by using XRD, HREM, IR,and N₂adsorption techniques. The results show that Ti ions can get into the St frame work andlead to the vibration of St-O-Ti bond, with the increase of Ti ion addition, the mesoporous silicaframework structure can be disordered and finally deteriorated.

Key words: mesoporous silica MCM-41 materials, Ti-doped, mesopore structure

中图分类号:

TM285

王连洲,施剑林,禹剑,阮美玲,严东生. 钛掺杂对介孔硅材料结构性能的影响[J]. 无机材料学报.

WANG Lian-Zhou,SHI Jian-Lin,YU Jian,RUAN Met-Ling,YAN Dong-Sheng. Effect of Ti-Doping on the namework Structure of Mesoporous Silica[J]. Journal of Inorganic Materials.

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