The Power of Spectroscopic Methods in the Determination of the Relative Orientation of Guest Molecules in a Stretched Polyethylene (PE) Matrix

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Comparison of values for the relative orientation of pyrene guest molecules and PE host macromolecules obtained by spectroscopic measurements and by calculations of the minimum of the interaction energy between the guest and host molecules is presented. Accordance between both results as well as with the Groszek model is found.

Keywords: Absorption spectra; Calculations of the molecular interaction energy; Pyrene; Stretched sheet technique; UV linear dichroism

Document Type: Research Article


Affiliations: Institute of Physics, Warsaw Technical University, 00-662 Warszawa, Poland

Publication date: November 1, 1985

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