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Template-Synthesis of Conjugated Poly(3-Hexylselenophene) (P3HS) Nanofibers Using Femtosecond Laser Machined Fused Silica Templates

Published online by Cambridge University Press:  08 May 2017

L. Costa ,
M. Al-Hashimi ,
M. Heeney ,
A. Terekhov ,
D. Rajput ,
W. Hofmeister  and
A. Verma
L. Costa
Affiliation:
Department of Materials Science and Engineering, University of Tennessee - Knoxville, Tullahoma, Tennessee 37388, USA Center for Laser Applications, University of Tennessee Space Institute, Tullahoma, Tennessee 37388, USA
M. Al-Hashimi
Affiliation:
Department of Chemistry, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar
M. Heeney
Affiliation:
Department of Chemistry and Centre for Plastic Electronics, Imperial College London, London SW7 2AZ, UK
A. Terekhov
Affiliation:
Center for Laser Applications, University of Tennessee Space Institute, Tullahoma, Tennessee 37388, USA
D. Rajput
Affiliation:
Department of Materials Science and Engineering, University of Tennessee - Knoxville, Tullahoma, Tennessee 37388, USA Center for Laser Applications, University of Tennessee Space Institute, Tullahoma, Tennessee 37388, USA
W. Hofmeister
Affiliation:
Department of Materials Science and Engineering, University of Tennessee - Knoxville, Tullahoma, Tennessee 37388, USA Center for Laser Applications, University of Tennessee Space Institute, Tullahoma, Tennessee 37388, USA
A. Verma*
Affiliation:
Department of Electrical Engineering & Computer Science, Texas A&M University - Kingsville, Kingsville, TX 78363, USA
*
*(Email: amit.verma@tamuk.edu)
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Abstract:

We report on the preparation of conjugated polymer nanofibers via template-synthesis. A femtosecond laser machined fused silica template, with a micro-patterned array of high-aspect ratio surface nanopores, was first spin-coated with a polyvinyl alcohol (PVA) solution to form a water-soluble release layer. The PVA-lined template was then coated with a conjugated poly(3-hexylselenophene) (P3HS) – solvent solution. The solvent was allowed to dissipate, and the resulting {template / PVA liner / conjugated P3HS film} stack was then submerged in water to dissolve the PVA and release the conjugated polymer film from the template. The resulting conjugated polymer film exhibits an array of micro-patterned polymer nanofibers that constitute a negative replica of the PVA-lined template. The nanofibers come arranged in a vertical architecture that spans over the surface of the supporting film.

Keywords

nanostructurepolymerorganic
Type
Articles
Information
MRS Advances , Volume 2 , Issue 51: Electronic Devices and Materials , 2017 , pp. 2957 - 2960
Copyright
Copyright © Materials Research Society 2017 

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