Photoluminescence and morphology of Alq3 films and four-components model

Giuseppe Baldacchini, Tommaso Baldacchini, Piero Chiacchiaretta, Angelo Pace, Ramchandra Balaji Pode

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Abstract

Recently, it has been shown that the photoluminescence (PL) of one Al q3 film decays in air with four different constant times and spectral features, implying the existence of four different components of molecular aggregation. Now the same behavior has been confirmed by measuring in open and dry air the PL of films fabricated in different physical conditions, which influence to various degrees the amplitude of the components. Moreover, the constant times are longer in Al q3 films kept in the external dry environment than in the normal atmosphere. The implications of these experimental observations for the morphology of the films is discussed in the light of a phenomenological approach which has been called the four-components model. © 2007 The Electrochemical Society.
Original languageEnglish
Pages (from-to)-
JournalJournal of the Electrochemical Society
Volume154
Issue number7
DOIs
Publication statusPublished - 2007
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electrochemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Baldacchini, G., Baldacchini, T., Chiacchiaretta, P., Pace, A., & Pode, R. B. (2007). Photoluminescence and morphology of Alq3 films and four-components model. Journal of the Electrochemical Society, 154(7), -. https://doi.org/10.1149/1.2734078