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research article

Semiaromatic polyamides with enhanced charge carrier mobility

Oezen, Bilal
•
Candau, Nicolas  
•
Temiz, Cansel
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November 10, 2021
Polymer Chemistry

The control of local order in polymer semiconductors using non-covalent interactions may be used to engineer materials with interesting combinations of mechanical and optoelectronic properties. To investigate the possibility of preparing n-type polymer semiconductors in which hydrogen bonding plays an important role in structural order and stability, we have used solution-phase polycondensation to incorporate dicyanoperylene bisimide repeat units into an aliphatic polyamide chain backbone. The morphology and thermomechanical characteristics of the resulting polyamides, in which the aliphatic spacer length was varied systematically, were comparable with those of existing semiaromatic engineering polyamides. At the same time, the charge carrier mobility as determined by pulse-radiolysis time-resolved microwave conductivity measurements was found to be about 10(-2) cm(2) V-1 s(-1), which is similar to that reported for low molecular weight perylene bisimides. Our results hence demonstrate that it is possible to use hydrogen bonding interactions as a means to introduce promising optoelectronic properties into high-performance engineering polymers.

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Type
research article
DOI
10.1039/d1py01203g
Web of Science ID

WOS:000721862700001

Author(s)
Oezen, Bilal
Candau, Nicolas  
Temiz, Cansel
Grozema, Ferdinand C.
Stoclet, Gregory
Plummer, Christopher J. G.  
Frauenrath, Holger  
Date Issued

2021-11-10

Publisher

ROYAL SOC CHEMISTRY

Published in
Polymer Chemistry
Volume

12

Issue

47

Start page

6914

End page

6926

Subjects

Polymer Science

•

structure-property relationships

•

perylene bisimide

•

organic semiconductors

•

mechanical-properties

•

conjugated polymers

•

side-chains

•

thin-films

•

transport

•

assemblies

•

field

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMOM  
Available on Infoscience
December 4, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/183642
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