Abstract
Eleven amphiphilic complexes of 2-( N-hexadecylcarbamoyl)-8-hydroxy quinoline (HL), ML 2 (M=Mg, Ca, Mn, Co, Ni, Zn, Cd, Pb), ML 2Cl (M=La, Er) and AlL 2OH form a stable monolayer on pure water subphase and can be easily fabricated as highly ordered LB films. Absorption and fluorescent spectra showed that the LB films were J-aggregates. Low-angle X-ray diffraction measurements showed these LB films had good homogeneity with a bilayer spacing of ca. 4.86–5.13 nm. These LB films exhibited intense fluorescence and were used as emitting material of electroluminescent devices. The deposited surface pressure of the LB films had a strong influence on the EL intensity.
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