UTILIZATION OF SURFACTANT-STABILIZED COLLOIDAL SILVER NANOCRYSTALLITES IN THE CONSTRUCTION OF MONOPARTICULATE AND MULTIPARTICULATE LANGMUIR-BLODGETT-FILMS

被引:110
作者
MELDRUM, FC [1 ]
KOTOV, NA [1 ]
FENDLER, JH [1 ]
机构
[1] SYRACUSE UNIV,DEPT CHEM,SYRACUSE,NY 13244
关键词
D O I
10.1021/la00019a001
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Oleic acid-stabilized 100-angstrom-diameter silver particles have been spread at air-water interfaces in a Langmuir film balance. Surface pressure vs surface area isotherms, reflectivity measurements, and Brewster-angle and transmission electron microscopies demonstrated that increasing surface pressure resulted in the transition from gaseous and liquid phases of mixed oleic acid/silver particle domains to closely packed, well-separated monoparticulate silver domains which ultimately collapsed to multiparticulate layers. Sequential transfer to solid substrates by the Langmuir-Blodgett technique led to the formation of multiparticulate layers of silver clusters.
引用
收藏
页码:2035 / 2040
页数:6
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