单层
硅烷
超临界流体
硅烷
化学工程
介孔材料
沉积(地质)
介孔二氧化硅
陶瓷
材料科学
相(物质)
化学
纳米技术
有机化学
催化作用
生物
工程类
古生物学
沉积物
作者
Thomas S. Zemanian,Glen E. Fryxell,Jun Li,Shas V. Mattigod,James A. Franz,Zimin Nie
出处
期刊:Langmuir
[American Chemical Society]
日期:2001-11-20
卷期号:17 (26): 8172-8177
被引量:79
摘要
Deposition of silane-based self-assembled monolayers onto mesoporous ceramic substrates has been found to be substantially faster from supercritical fluids than from typical condensed phase solutions. In addition, the monolayers so prepared display higher silane population density (6.5 vs 4.6 silanes/nm2), fewer defects, and greater stability than those prepared via standard solution methods. A mechanistic rationale for the pressure-induced rate enhancement and reduced defect density is presented.
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