Structural properties of oligomeric Langmuir-Blodgett films for second-order nonlinear optics

被引：4

作者：

Eaglesham, A

Jaworek, T

Cresswell, J

Allen, S

Burgess, A

Ferguson, I

Ryan, TG

Hutchings, M

Petty, MC

Yarwood, Y

机构：

[1] ICI CHEM & POLYMERS LTD,RUNCORN WA7 4QD,CHESHIRE,ENGLAND

[2] UNIV DURHAM,SCH ENGN,DEPT CHEM,DURHAM DH1 3LE,ENGLAND

[3] UNIV DURHAM,CTR MOLEC ELECTR,DURHAM DH1 3LE,ENGLAND

[4] ICI PLC,WILTON RES CTR,MIDDLESBROUGH TS90 8JE,CLEVELAND,ENGLAND

[5] ZENECA SPECIAL,MANCHESTER M9 3DA,LANCS,ENGLAND

[6] SHEFFIELD HALLAM UNIV,INST MAT RES,SHEFFIELD S1 1WB,S YORKSHIRE,ENGLAND

来源：

LANGMUIR | 1996年 / 12卷 / 09期

关键词：

D O I：

10.1021/la950717d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Neutron reflection and infrared spectroscopy have been used to investigate molecular ordering in Langmuir-Blodgett films of oligomers for second-order nonlinear optical applications. The results are compared to those from a previous ellipsometric study. A high degree of order for the chromophores in the multilayer films is revealed by these experiments. In contrast, the hydrocarbon tails are either randomly oriented or highly tilted with respect to the substrate normal. To account for the reduced nonlinear optical activity in thick films, we suggest that some chromophores have become inverted during the deposition process.

引用

页码：2292 / 2297

页数：6

共 18 条

[11] THERMAL-BEHAVIOR OF LANGMUIR-BLODGETT-FILMS .2. X-RAY AND POLARIZED REFLECTION MICROSCOPY STUDIES ON COEXISTING POLYMORPHISM, THERMAL ANNEALING AND EPITAXIAL LAYER GROWTH OF BEHENIC ACID MULTILAYERS [J].