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Combinatorial Strategies for Thin Organic Films -Polythiophene via Surface Polymerization by Ion Assisted Deposition

Published online by Cambridge University Press:  01 February 2011

Luke Hanley ,
Sanja Tepavcevic  and
Yongsoo Choi
Luke Hanley
Affiliation:
Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., 4500 SES (M/C 111) Chicago, IL 60607–7061, U.S.A.
Sanja Tepavcevic
Affiliation:
Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., 4500 SES (M/C 111) Chicago, IL 60607–7061, U.S.A.
Yongsoo Choi
Affiliation:
Department of Chemistry, University of Illinois at Chicago, 845 W. Taylor St., 4500 SES (M/C 111) Chicago, IL 60607–7061, U.S.A.
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Abstract

Combinatorial strategies are applied to surface polymerization by ion assisted deposition (SPIAD) for the production of polythiophene films. Thiophene ion energy in the range of 25–200 eV and ion to α-terthiophene neutral ratio are varied to tune the extent of surface polymerization and film photoluminescence. SPIAD polythiophene films are grown by both mass-selected and non-mass-selected ions, while x-ray photoelectron spectroscopy and surface mass spectrometry are applied to determine film chemistry and the extent of polymerization. This work demonstrates that ion kinetic energy and ion to neutral ratio can be varied over a wide range in SPIAD to select films with useful optical or electronic properties. The essentially combinatorial approach of SPIAD can be dramatically extended by use of new ions and/or neutral species.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 804: Symposium JJ – Combinatorial and Artificial Intelligence Methods in Materials Science II , 2003 , JJ5.3
Copyright
Copyright © Materials Research Society 2004

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References

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