Aggregation of p-terphenyl along with PMMA/SA at the Langmuir and Langmuir-Blodgett films

被引：0
|
作者：
Hussain, Syed Arshad [1 ,2 ]
Islam, Md. N. [1 ]
Leeman, Hugo [2 ]
Bhattacharjee, Debajyoti [1 ]
机构：
[1] Tripura Univ, Dept Phys, Suryamaninagar 799130, Tripura, India
[2] Katholieke Univ Leuven, Ctr Oppervlaktechem & Katalyse, B-3001 Louvain, Belgium
来源：
SURFACE REVIEW AND LETTERS | 2008年 / 15卷 / 04期
关键词：
Langmuir monolayer; pi-A isotherm; miscibility; SEM;
D O I：
10.1142/S0218625X08011597
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Molecular aggregation and monolayer characteristics of non-amphiphilic p-terphenyl (TP) mixed with either polymethyl methacrylate (PMMA) or stearic acid (SA) at the air-water interface were investigated. The miscibility of the two components was evaluated by measuring and analyzing surface pressure versus area per molecule (pi-A) isotherm. Both attractive and repulsive interactions between the sample (TP) and the matrix (PMMA or SA) were observed depending on the composition and microenvironment. TP and PMMA/SA were not completely miscible in the mixed monolayer. Aggregation and phase separation between sample TP and matrix molecule were revealed by UV-Vis absorption spectroscopic studies and confirmed by scanning electron micrograph of Langmuir-Blodgett films.
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收藏
页码：459 / 467
页数：9
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