NOVEL SILICON NAPHTHALOCYANINES - SYNTHESIS AND MOLECULAR ARRANGEMENT IN THIN-FILMS

被引：33

作者：

KATAYOSE, M ^{[1
]}

TAI, S ^{[1
]}

KAMIJIMA, K ^{[1
]}

HAGIWARA, H ^{[1
]}

HAYASHI, N ^{[1
]}

机构：

[1] HITACHI CHEM CO LTD,IBARAKI RES LAB,13-1 4-CHOME,HIGASHI CHO,HITACHI 317,JAPAN

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1992年 / 03期

关键词：

D O I：

10.1039/p29920000403

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of highly organic-soluble [bis(trialkylsiloxy)]silicon tetrakis(alkylthio)-2,3-naphthalocyanines [(R3(1)SiO)2SiNc(SR2)4] have been synthesized, and their H-1 NMR, electronic absorption and fluorescence spectra measured. These spectra indicate that (R3(1)SiO)2SiNc(SR2)4 are monomeric in solution (10(-2)-10(-7) mol dm-3). In their solid films, all Q-band absorption maxima of (R3(1)SiO)2SiNc(SR2)4 are red-shifted from their monomeric Q-band maximum. The extent of shift significantly increases with decreasing R1 length of the axial substituents, but the effect is far less with ring substituents, R2. These observations are clearly explained using the exiton model. Our results indicated that novel naphthalocyanine (R3(1)SiO)2SiNc(SR2)4 molecules have a J-type molecular arrangement in thin solid films.

引用

页码：403 / 409

页数：7

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