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Polymers (Basel). 2020 Dec 10;12(12). doi: 10.3390/polym12122954.

New Insight on Photoisomerization Kinetics of Photo-Switchable Thin Films Based on Azobenzene/Graphene Hybrid Additives in Polyethylene Oxide.

Polymers

Qais M Al-Bataineh, A A Ahmad, A M Alsaad, Ahmad Telfah

Affiliations

  1. Department of Physics, Jordan University of Science & Technology, P.O. Box 3030, Irbid-22110, Jordan.
  2. Leibniz Institut für Analytische Wissenschaften-ISAS-e.V., Bunsen-Kirchhoff-Straße 11, 44139 Dortmund, Germany.
  3. Hamdi Mango Center for Scientific Research (HMCSR), The Jordan University, Amman 11942, Jordan.

PMID: 33322058 PMCID: PMC7763885 DOI: 10.3390/polym12122954

Abstract

In this work, we reported a new insight on the kinetics of photoisomerization and time evolution of hybrid thin films considering the azo-dye methyl red (MR) incorporated with graphene accommodated in polyethylene oxide (PEO). The kinetics of photoisomerization and time-evolution of hybrid thin films were investigated using UV-Vis s and FTIR spectroscopies, as well as appropriate models developed with new analytical methods. The existence of azo-dye MR in the complex is crucial for the resource action of the

Keywords: molecular solar thermal energy storage media; photo-switchable thin films; photoisomerization processes; polymerized nanocomposite thin films; trans-cis-isomers

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