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Enhancing electrochromic properties of polypyrrole by silsesquioxane nanocages
Date
2008-04-29
Author
Ak, Metin
Gacal Özcan, Burçin
Kışkan, Barış
Yağcı, Yusuf
Toppare, Levent Kamil
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A new monomer, octa(thiophenephenyl)silsesquioxane (OThiophenePS) was synthesized via click chemistry. The chemical structure of OThiophenePS was characterized by nuclear magnetic resonance (H-1 NMR) and Fourier transform infrared (FT-IR) spectroscopies. Electrochemical polymerization of pyrrole with OThiophenePS was performed resulting in polypyrrole-attached, polyhedral oligomeric silsesquioxane (OPS-PPy). The spectroelectrochemical studies show that the electrochromic properties of (OPS-PPy) are superior to those of polypyrrole (PPy). This great improvement can be attributed to the more accessible doping sites and the facile ion movement during the redox switching brought by the loose packing of the PPy chains.
Subject Keywords
Organic Chemistry
,
Polymers and Plastics
URI
https://hdl.handle.net/11511/41374
Journal
POLYMER
DOI
https://doi.org/10.1016/j.polymer.2008.03.023
Collections
Department of Chemistry, Article