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

Toffolo, F.; Brinkmann, M.; Greco, O.; Biscarini, F.; Taliani, C.; Gomes, Henrique L.; Aiello, I.; Ghedini, M.

http://hdl.handle.net/10400.1/6621

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Resumo(s)

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.

URI

http://hdl.handle.net/10400.1/6621

Editora

Elsevier Science

DOI

https://dx.doi.org/10.1016/S0379-6779(98)01415-5

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FCT2-Artigos (em revistas ou actas indexadas)

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