NDLI: Ferroelectric switching and electrochemistry of pyrrole substituted trialkylbenzene‐1,3,5‐tricarboxamides

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Ferroelectric switching and electrochemistry of pyrrole substituted trialkylbenzene‐1,3,5‐tricarboxamides

Content Provider	Semantic Scholar
Author	Meng, Xiao Gorbunov, Andrey V. Roelofs, W. S. Christian Meskers, Stefan C. J. Janssen, René A. J. Kemerink, Martijn Sijbesma, Rint P.
Copyright Year	2017
Abstract	We explore a new approach to organic ferroelectric diodes using a benzene-tricarboxamide (BTA) core connected with C10 alkyl chains to pyrrole groups, which can be polymerized to provide a semiconducting ferroelectric material. The compound possesses a columnar hexagonal liquid crystalline (LC) phase and exhibits ferroelectric switching. At low switching frequencies, an additional process occurs, which leads to a high hysteretic charge density of up to ∼1000 mC/m2. Based on its slow rate, the formation of gas bubbles, and the emergence of characteristic polypyrrole absorption bands in the UV-Vis-NIR, the additional process is identified as the oxidative polymerization of pyrrole groups, enabled by the presence of amide groups. Polymerization of the pyrrole groups, which is essential to obtain semiconductivity, is limited to thin layers at the electrodes, amounting to ∼17 nm after cycling for 21 h. © 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2017, 55, 673-683.
Starting Page	673
Ending Page	683
Page Count	11
File Format	PDF HTM / HTML
DOI	10.1002/polb.24318
PubMed reference number	28344384
Journal	Medline
Volume Number	55
Alternate Webpage(s)	https://pure.tue.nl/ws/portalfiles/portal/58698101/Meng_et_al_2017_Journal_of_Polymer_Science_Part_B_Polymer_Physics.pdf
Alternate Webpage(s)	http://liu.diva-portal.org/smash/get/diva2:1092095/FULLTEXT01.pdf
Alternate Webpage(s)	https://pure.tue.nl/ws/files/58698101/Meng_et_al_2017_Journal_of_Polymer_Science_Part_B_Polymer_Physics.pdf
Alternate Webpage(s)	https://doi.org/10.1002/polb.24318
Journal	Journal of polymer science. Part B, Polymer physics
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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