SYNTHESIS, CHARACTERIZATION AND OPTICAL-PROPERTIES OF METAL-CONTAINING POLYDIACETYLENES

被引：16

作者：

AGHATABAY, NM ^{[1
]}

LINDSELL, WE ^{[1
]}

PRESTON, PN ^{[1
]}

TOMB, PJ ^{[1
]}

LLOYD, AD ^{[1
]}

RANGELROJO, R ^{[1
]}

SPRUCE, G ^{[1
]}

WHERRETT, BS ^{[1
]}

机构：

[1] HERIOT WATT UNIV, DEPT PHYS, EDINBURGH EH14 4AS, MIDLOTHIAN, SCOTLAND

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1992年 / 2卷 / 12期

关键词：

POLYDIACETYLENE; NONLINEAR OPTICAL MATERIAL; ORGANOMETALLIC POLYMER;

D O I：

10.1039/jm9920201241

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：

Soluble polydiacetylenes (CR-C=C-CR'=)n [R=R'=(CH2)9O2CCH2Ph (2a); R=(CH2)9CH3, R'=(CH2)8CO2CH2Ph (2b)] have been synthesized and reacted with Co2(CO)8 to introduce varying proportions of Co2(CO)6 groups, attached as Co2C2 tetrahedrane units, at the alkyne bonds of the conjugated ene-yne backbone. These metallated polymers have been characterised by analytical data and by IR, (C{H})-C-13-H-1 NMR and UV-VIS spectroscopy. Reactions between polydiacetylenes 2a or 2b and [M2(CO)4(eta5-C5H5)2] (M=Mo, W) are also reported. The presence of fast optical non-linearities in these soluble polymeric materials was confirmed by fluorescence lifetime measurements and optical characterisation of the imaginary part of chi(3). These studies were conducted on a picosecond timescale to alloW electronic contributions to be resolved, and the related Im chi(3) values tabulated against metal content and solution concentration.

引用

页码：1241 / 1247

页数：7

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