RAY, A. K., NABOK, A. V., HASSAN, A. K., OMAR, O., TAYLOR, R. E. and COOK, M. J. (1998). An interpretation of the structure of Langmuir-Blodgett films of octa-substituted metal-free phthalocyanine molecules from optical spectra. Philosophical magazine. B, Physics of condensed matter, electronic, optical, and magnetic properties, 78 (1), 53-64.
Full text not available from this repository.Abstract
Ultraviolet-visible absorption spectra of Langmuir-Blodgett (LB) films of octa-substituted metal-free phthalocyanine molecules are decomposed into Gaussian-Lorentzian components in order to compare the in-plane molecular arrangements of the two groups of the compounds with short and long alkyl chains. LB films of long-chain molecules represent the Davydov splitting of the Q band, which corresponds to the 'herringbone' molecular structure and the angle between the molecules is estimated to be 75 degrees. For short-chain molecules, the largely broadened 'blue' component of the Davydov doublets is suppressed and this can be explained by the domination of an anisotropic stack-like molecular arrangement in LB films.
Item Type: | Article |
---|---|
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/10.1080/13642819808206726 |
Page Range: | 53-64 |
Depositing User: | Ann Betterton |
Date Deposited: | 30 Mar 2010 16:37 |
Last Modified: | 18 Mar 2021 21:30 |
URI: | https://shura.shu.ac.uk/id/eprint/1446 |
Actions (login required)
View Item |
Downloads
Downloads per month over past year