Interaction Behaviour of the Ultramicroporous Polymer Makrolon ® by Spectroscopic Methods

  • S. Busche
  • M. Kasper
  • T. Mutschler
  • N. Leopold
  • G. Gauglitz
Conference paper
First Online:
Part of the Progress in Colloid and Polymer Science book series (PROGCOLLOID, volume 132)

Abstract

Makrolon

®, a commercially available polycarbonate with a glassy ultramicroporous structure (mean pore-volume 0.1 nm3), was often employed as sensitive layer for optical sensors in recent years. Due to the definite pore volume-distribution, it can be used as a size-selective sensitive layer. The interaction behaviour of Makrolon of different layer-thicknesses under the influence of methanol, ethanol and 1-propanol is characterized by Spectral Ellipsometry (SE), Surface Plasmon Resonance Spectroscopy (SPR) and Reflectometric Interference Spectroscopy (RIfS). Sorption into the polymer layer follows a superposition of Henry- and Langmuir-type behaviour; this was discussed depending on the size of the respective analyte. An adequate layer-thickness for the sensor methods RIfS and SPR is proposed.

Reflectometric Interference  Spectroscopy Spectral Ellipsometry Surface Plasmon Resonance Spectroscopy Ultramicroporous Polymer 
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Authors and Affiliations

  • S. Busche
    • 1
  • M. Kasper
    • 1
  • T. Mutschler
    • 1
  • N. Leopold
    • 1
  • G. Gauglitz
    • 1
  1. 1.Eberhard-Karls-UniversityInstitute of Physical and Theoretical ChemistryTübingenGermany

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