Mono-, bis- and tetrahydroxy phthalocyanines as building blocks for monomolecular layer assemblies

被引:5
|
作者
Sariola, Essi [1 ]
Kotiaho, Anne [1 ]
Tkachenko, Nikolai V. [1 ]
Lemmetyinen, Helge [1 ]
Efimov, Alexander [1 ]
机构
[1] Tampere Univ Technol, Dept Chem & Bioengn, FIN-33101 Tampere, Finland
基金
芬兰科学院;
关键词
self-assembly; pentafluorophenyl ester; thioacetate; PHOTOINDUCED ELECTRON-TRANSFER; LIGHT-EMITTING-DIODES; SOLAR-CELLS; THIN-FILMS; CHARGE SEPARATION; FULLERENE DYADS; MONOLAYERS; PORPHYRIN; DEVICES; SENSOR;
D O I
10.1142/S1088424610002185
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We have developed three basic phthalocyanine structures, containing one, two, or four hydroxy groups, which are simple to synthesize and purify, as well as can be characterized well by NMR and MS. These building blocks can easily be further modified to have anchor groups, which make the molecules suitable for attachment to solid substrates. We have used thioacetate and pentafluorophenyl ester moieties, giving target phthalocyanines the ability to self-assemble on gold, metal oxides, and glass. Bonding densities calculated from the absorbances of the layers suggest mean molecular area to be in the range of 1-3 nm(2), which can be partially controlled by side substituents and the number of linkers.
引用
收藏
页码:397 / 411
页数:15
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