MOLECULAR-ORIENTATION IN MIXED MONOLAYERS OF HEMICYANINE AND FATTY-ACID AT AN AIR-WATER-INTERFACE STUDIED BY 2ND HARMONIC-GENERATION

被引：42

作者：

SHIROTA, K

KAJIKAWA, K

TAKEZOE, H

FUKUDA, A

机构：

[1] Tokyo Institute of Technology, Department of Organic and polymeric Materials, Meguro-ku, Tokyo, 152, O-okayama

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1990年 / 29卷 / 04期

关键词：

Hemicyanine; Langmuir film; LB film; Local field factor; Molecular orientation; Monolayer; Second harmonic generation; SHG;

D O I：

10.1143/JJAP.29.750

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The molecular orientation of mixed monolayers consisting of hemicyanine dye and arachidic acid at an air/water interface is studied by optical second harmonic generation. It was found that the average molecular tilt angle with respect to the surface normal is almost unchanged throughout the compression process, and is smaller in a monolayer containing a higher fraction of hemicyanine. The effective local field factor was also evaluated as a function of surface number density and was found to agree qualitatively with the theoretical prediction. © 1990 The Japan Society of Applied Physics.

引用

页码：750 / 755

页数：6

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