Aggregation - an interesting phenomenon in polymethine dyes

被引：0

作者：

Schedler, U. ^{[1
]}

Ziemer, B. ^{[1
]}

Bendig, J. ^{[1
]}

Harder, T. ^{[1
]}

机构：

[1] Humboldt-Univ, Berlin, Germany

来源：

Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals | 1994年 / 248卷

关键词：

Agglomeration - Chemical modification - Glass - Molecular crystals - Molecular structure - Organic compounds - Reflection high energy electron diffraction - Surface treatment - Thin films - X ray analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Bisdimethylamino-tri- (BDT), -penta- (BDP), -hepta- (BDH), and nonamethines (BDN) on surfaces were investigated with regard to detect absorption bands caused by aggregation. The experiments prove that the aggregation tendency increases with prolonging the chain length. A new method preparing non-aggregated and aggregated layers of heptamethines on surfaces of glass was used. X-ray results and RHEED measurements were compared. We think that a `thin layer modification' is formed.

引用

页码：13 / 19

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