Influence of the metal center on the morphology of coordination compounds thin films

被引：11

作者：

Toffolo, F

Brinkmann, M

Greco, O

Biscarini, F

Taliani, C

Gomes, HL

Aiello, I

Ghedini, M

机构：

[1] CNR, Ist Spettroscopia Mol, I-40129 Bologna, Italy

[2] Univ Algarve, Dept Elect Engn, P-8000 Faro, Portugal

[3] Univ Calabria, Dipartimento Chim, I-87100 Arcavacata, Cosenza, Italy

来源：

SYNTHETIC METALS | 1999年 / 101卷 / 1-3期

关键词：

atomic force microscopy; conjugated molecules; morphology; thin film; growth; electroluminescence;

D O I：

10.1016/S0379-6779(98)01415-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thin film morphology of tris-(8-hydroxyquinolate) aluminium (III) (Alq3) and bis-(8-hydroxyquinolate) oxovanadium (IV) (VOq2) are compared. Alq3 films deposited onto mica at 300K look almost featureless, but dendrimers or randomly distributed needle-shaped crystallites appear as a consequence of crystallization in time. We show that a possible origin of this process is exposure to solvent vapors. On the other hand, VOq2 films retain their textured morphology as thickness increases because of stabilizing intermolecular interactions between vanadyl groups.

引用

页码：140 / 141

页数：2

共 6 条

[1] Monomeric and polymeric oxovanadium(IV) complexes containing 5-(4'-alkyl-phenylazo)-8-hydroxy-quinoline ligands [J].