Recently, it has been shown that the photoluminescence (PL) of one Alq(3) 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 Alq(3) 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. (C) 2007 The Electrochemical Society.