Surface passivation of bare aluminum nanoparticles using perfluoroalkyl carboxylic acids

被引：0
|
作者：
Jouet, RJ [1 ]
Warren, AD [1 ]
Rosenberg, DM [1 ]
Bellitto, VJ [1 ]
机构：
[1] USN, Surface Warfare Ctr, Indian Head Div, Res & Technol Dept, Indian Head, MD 20640 USA
来源：
SYNTHESIS, CHARACTERIZATION AND PROPERTIES OF ENERGETIC/REACTIVE NANOMATERIALS | 2004年 / 800卷
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Surface passivation of unpassivated Al nanoparticles has been realized using self assembled monolayers (SAMs). Nanoscale Al particles were prepared in solution by catalytic decomposition of H3Al.NMe3 or H3Al.N(Me)Pyr by Ti((OPr)-Pr-/)(4) and coated in situ using a perfluoroalkyl carboxylic acid SAM. Because the Al particles are prepared using wet chemistry techniques and coated in solution, they are free of oxygen passivation. This SAM coating passivates the aluminum and seems to prevent the oxidation of the particles in air and renders the composite material, to some extent, soluble in polar organic solvents such as diethyl ether. Characterization data including SEM, TEM, TGA, and ATR-FTIR of prepared materials is presented.
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页码：67 / 78
页数：12
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