Resorcinol calixarenes (resorcarenes): Langmuir-Blodgett films and optical properties

OMAR, O., RAY, A. K., HASSAN, A. K. and DAVIS, F. (1997). Resorcinol calixarenes (resorcarenes): Langmuir-Blodgett films and optical properties. Supramolecular Science, 4 (3-4), 417-421.

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Link to published version:: 10.1016/S0968-5677(97)00024-2

Abstract

Specially synthesized amphiphilic resorcinol calixarene (resorcarene 2) molecules have been deposited as Langmuir-Blodgett (LB) films on a variety of substrates including hydrophobically treated glass slides, silicon and gold-coated glass slides. A value of 1.9 nm(2) is obtained for the area per molecule from measurements of pressure/area isotherms of the floating layer. Optical absorption studies within the ultraviolet-visible frequency region have been performed on these molecules in both LB films and in solution of resorcarene 2 in chloroform, containing 10% ethanol. Molecular aggregation in the form of dimerization is believed to take place during film formation. Further analysis has been carried out for Langmuir-Blodgett films of resorcarene 2 by using Fourier transform infra-red spectroscopy, low-angle X-ray diffraction and surface plasmon resonance (SPR) techniques. The monolayer thickness of 1.6 nm found from SPR measurements is consistent with that from other experimental observations. (C) 1997 Elsevier Science Ltd. All rights reserved.

Item Type: Article
Additional Information: 6th European Conference on Organised Films SEP 11-14, 1996 SHEFFIELD, ENGLAND
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1016/S0968-5677(97)00024-2
Depositing User: Helen Garner
Date Deposited: 21 May 2010 11:20
Last Modified: 21 May 2010 11:20
URI: http://shura.shu.ac.uk/id/eprint/1993

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