硅酸盐学报2018，Vol.46Issue(1)：40-44,5.DOI:10.14062/j.issn.0454-5648.2018.01.05
Cd掺杂钙铝石多孔电子化合物的制备及其电学性能
Preparation and Electrical Properties of Cd-doped C12Al14O33 Porous Electride
摘要
Abstract
Cd-doped mayenite (Ca(12-x)CdxAl14O33) porous electrides were prepared by a phase separation-assisted sol-gel technology accompanied by vacuum reduction process. The effects of Cd doping amount on the microstructure, crystalline phase and electrical properties of mayenite electrides were investigated in detail. The results show that the as-prepared Cd-doped mayenite possesses a co-continuous macrostructure with the dense skeletons and the porosity as high as 66%. After heat treatment at 1100 ℃, the Cd element doping does not destroy the "cage" structure of mayenite, while replaces a certain amount of more active calcium ions in the mayenite, making the structure more stable. The Cd-doped mayenite could transform from the insulator into a certain conductivity of the electride material after reduced at 900 ℃ under vacuum environment, whose electron concentration is up to 6.904×1013 cm-3.关键词
钙铝石/电子化合物/掺杂/大孔Key words
mayenite/electride/doping/macropores分类
化学化工引用本文复制引用
王睿,杨辉,江包家琪,郭兴忠..Cd掺杂钙铝石多孔电子化合物的制备及其电学性能[J].硅酸盐学报,2018,46(1):40-44,5.基金项目
国家自然科学基金项目(51372225). （51372225）
