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Surface morphology of polyimide thin film dip-coated on polyester filament for dielectric layer in fibrous organic field effect transistor

Lina Rambausek, Els Bruneel UGent, Isabel Van Driessche UGent and Lieva Van Langenhove UGent (2014) AUTEX RESEARCH JOURNAL. 14(3). p.152-160
abstract
The idea of wearable electronics automatically leads to the concept of integrating electronic functions on textile substrates. Since this substrate type implies certain challenges in comparison with their rigid electronic companions, it is of utmost importance to investigate the application of materials for generating the electronic functions on the textile substrate. Only when interaction of materials and textile substrate is fully understood, the electronic function can be generated on the textile without changing the textile's properties, being flexible or stretchable. This research deals with the optimization of the dielectric layer in a fibrous organic field effect transistor (OFET). A transistor can act as an electrical switch in a circuit. In this work, the polyimide layer was dip-coated on a copper-coated polyester filament. After thoroughly investigating the process conditions, best results with minimal thickness and roughness at full insulation could be achieved at a dip-coating speed of 50 mm/min. The polyimide solution was optimal at 15w% and the choice for the solvent NMP was made. In this paper, details on the pre-treatment methods, choice of solvent and dip-coating speed and their effect on layer morphology and thickness, electrical properties and roughness are reported. Results show that the use of polyimide as a dielectric layer in the architecture of a fibrous OFET is promising. Further research deals with the application of the semiconductor layer within the mentioned architecture, to finally build an OFET on a filament for application in smart textiles.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
PARYLENE-C, BEHAVIOR, organic field effect transistor, dip-coating, filament, Polyimide, SOLVENT, dielectric
journal title
AUTEX RESEARCH JOURNAL
Autex Res. J.
volume
14
issue
3
pages
152 - 160
Web of Science type
Article
Web of Science id
000343913300004
JCR category
MATERIALS SCIENCE, TEXTILES
JCR impact factor
0.22 (2014)
JCR rank
22/22 (2014)
JCR quartile
4 (2014)
ISSN
1470-9589
DOI
10.2478/aut-2014-0012
language
English
UGent publication?
yes
classification
A1
copyright statement
I have retained and own the full copyright for this publication
id
5777068
handle
http://hdl.handle.net/1854/LU-5777068
date created
2014-12-09 11:36:58
date last changed
2017-03-09 12:22:02
@article{5777068,
  abstract     = {The idea of wearable electronics automatically leads to the concept of integrating electronic functions on textile substrates. Since this substrate type implies certain challenges in comparison with their rigid electronic companions, it is of utmost importance to investigate the application of materials for generating the electronic functions on the textile substrate. Only when interaction of materials and textile substrate is fully understood, the electronic function can be generated on the textile without changing the textile's properties, being flexible or stretchable. This research deals with the optimization of the dielectric layer in a fibrous organic field effect transistor (OFET). A transistor can act as an electrical switch in a circuit. In this work, the polyimide layer was dip-coated on a copper-coated polyester filament. After thoroughly investigating the process conditions, best results with minimal thickness and roughness at full insulation could be achieved at a dip-coating speed of 50 mm/min. The polyimide solution was optimal at 15w\% and the choice for the solvent NMP was made. In this paper, details on the pre-treatment methods, choice of solvent and dip-coating speed and their effect on layer morphology and thickness, electrical properties and roughness are reported. Results show that the use of polyimide as a dielectric layer in the architecture of a fibrous OFET is promising. Further research deals with the application of the semiconductor layer within the mentioned architecture, to finally build an OFET on a filament for application in smart textiles.},
  author       = {Rambausek, Lina and Bruneel, Els and Van Driessche, Isabel and Van Langenhove, Lieva},
  issn         = {1470-9589},
  journal      = {AUTEX RESEARCH JOURNAL},
  keyword      = {PARYLENE-C,BEHAVIOR,organic field effect transistor,dip-coating,filament,Polyimide,SOLVENT,dielectric},
  language     = {eng},
  number       = {3},
  pages        = {152--160},
  title        = {Surface morphology of polyimide thin film dip-coated on polyester filament for dielectric layer in fibrous organic field effect transistor},
  url          = {http://dx.doi.org/10.2478/aut-2014-0012},
  volume       = {14},
  year         = {2014},
}

Chicago
Rambausek, Lina, Els Bruneel, Isabel Van Driessche, and Lieva Van Langenhove. 2014. “Surface Morphology of Polyimide Thin Film Dip-coated on Polyester Filament for Dielectric Layer in Fibrous Organic Field Effect Transistor.” Autex Research Journal 14 (3): 152–160.
APA
Rambausek, L., Bruneel, E., Van Driessche, I., & Van Langenhove, L. (2014). Surface morphology of polyimide thin film dip-coated on polyester filament for dielectric layer in fibrous organic field effect transistor. AUTEX RESEARCH JOURNAL, 14(3), 152–160.
Vancouver
1.
Rambausek L, Bruneel E, Van Driessche I, Van Langenhove L. Surface morphology of polyimide thin film dip-coated on polyester filament for dielectric layer in fibrous organic field effect transistor. AUTEX RESEARCH JOURNAL. 2014;14(3):152–60.
MLA
Rambausek, Lina, Els Bruneel, Isabel Van Driessche, et al. “Surface Morphology of Polyimide Thin Film Dip-coated on Polyester Filament for Dielectric Layer in Fibrous Organic Field Effect Transistor.” AUTEX RESEARCH JOURNAL 14.3 (2014): 152–160. Print.