MOLECULAR-ORGANIZATION OF AMPHIPHILIC DISC-SHAPED PENTA-ALKYNES IN LB-MONO-LAYERS AND MULTILAYERS

被引：34

作者：

JANIETZ, D ^{[1
]}

HOFMANN, D ^{[1
]}

REICHE, J ^{[1
]}

机构：

[1] GKSS,INST CHEM,D-14513 TELTOW,GERMANY

来源：

THIN SOLID FILMS | 1994年 / 244卷 / 1-2期

关键词：

D O I：

10.1016/0040-6090(94)90573-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Amphiphilic disc-shaped penta-alkynes were studied with regard to their molecular organization in Langmuir-Blodgett (LB) mono- and multilayers. It was found that each compound investigated forms edge-on arranged stable monolayers at the air-water interface. LB-multilayers derived from fivefold pentyl-substituted pentaynes are characterized by an edge-on ordering of the molecules within Y-type bilayers. One of these compounds, containing a hydroxy substituent as hydrophilic head group, is exemplified and two possible rectangular molecular assemblies perpendicular to the substrate, each with a columnar in-plane packing, will be discussed as a result of molecular modelling. Based on the experimental results, hexagonal layer packing in the LB-film of a disc-shaped penta-alkynyl carboxylic acid without lateral substituents proved to be possible, which, furthermore, could be confirmed by molecular mechanics simulation.

引用

页码：794 / 798

页数：5

共 12 条

[1] MONOLAYERS OF ROD-SHAPED AND DISK-SHAPED LIQUID-CRYSTALLINE COMPOUNDS AT THE AIR-WATER-INTERFACE [J].