Inclusion phenomenon in mixed floating layers containing phthalocyanines

NABOK, A. V., RAY, A. K., HASSAN, A. K., OMAR, O., TAYLOR, R., RICHARDSON, T. and PAVIER, M. (1998). Inclusion phenomenon in mixed floating layers containing phthalocyanines. Thin Solid Films, 327, 104-108.

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Abstract

UV-vis absorption spectra of floating layers of octa-substituted metal-free phthalocyanines (AmPc) mixed with stearic acid or calix(4)-resorcinarene derivatives (CA) were studied during monolayer compression. Most of the mixed floating layers, as well as those of the pure AmPc compounds, show characteristic spectra typically attributed to the AmPc condensed state, even at zero surface pressure, These results indicate the formation of aggregates of AmPc molecules on the water surface immediately after spreading. However mixed AmPc/CA floating layers with the molar ratios less than 1:2 show some spectral transformation at high values of surface pressure, which can be interpreted in terms of molecular rearrangement. Isolated AmPc molecules are thought to have formed due to their inclusion within the CA matrix. (C) 1998 Elsevier Science S.A. All rights reserved.

Item Type:	Article
Additional Information:	8th International Conference on Organized Molecular Films AUG 24-29, 1997, PACIFIC GROVE, CALIFORNIA
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Electronic Materials and Sensors Research Group
Identification Number:	https://doi.org/10.1016/S0040-6090(98)00601-4
Page Range:	104-108
Depositing User:	Ann Betterton
Date Deposited:	01 Apr 2010 15:26
Last Modified:	18 Mar 2021 09:15
URI:	https://shura.shu.ac.uk/id/eprint/1423

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