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Supramolecular Assembly Strategies Using Alternate Adsorption of Polyelectrolytes: Applications in Pled And Lc Display Devices

Published online by Cambridge University Press:  10 February 2011

R. C. Advincula ,
S. Inaoka ,
D. Roitman ,
C. Franka ,
W. Knoll ,
A. Baba  and
F. Kaneko
R. C. Advincula
Affiliation:
University of Alabama at Birmingham, Department of Chemistry, Birmingham, AL 35294-1240
S. Inaoka
Affiliation:
University of Alabama at Birmingham, Department of Chemistry, Birmingham, AL 35294-1240
D. Roitman
Affiliation:
Hewlett-Packard Co., Solid State Laboratories, Palo Alto, CA 94303-0867
C. Franka
Affiliation:
Stanford University, Dept of Chem. Eng., Stanford, CA 94303
W. Knoll
Affiliation:
Max Planck Institute for Polymer Research, Mainz, GERMANYD-55021
A. Baba
Affiliation:
Niigata University, Dept. of Electrical Eng., Niigata, JAPAN950–21
F. Kaneko
Affiliation:
Niigata University, Dept. of Electrical Eng., Niigata, JAPAN950–21
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Abstract

We present work on the modification, processing, and analysis of ultrathin films for display devices primarily using the supramolecular assembly strategy. This involves the use of various molecular assembly techniques (organic, polymer, metal) in which layer order and functionality is achieved at defined length scales approaching that of ultrathin films (a few to several hundred nm thicknesses). The use of alternate polyelectrolyte deposition (APD) is primarily investigated in ultrathin films that have significance in the fabrication of display devices. The first application involves modifying a polymer light emitting diode (PLED) device fabricated using the ITO/MEH-PPV/Ca protocol with polyaniline derivatives. The second is the use of the “command layer” amplification concept and photo-induced alignment using polarized light with ultrathin films of azo dye/polyelectrolytes in a hybrid liquid crystal (LC) cell configuration. Both strategies rely on the use of surface sensitive spectroscopic and microscopic techniques to correlate device performance with layer ordering at the molecular level. The concept of functional ultrathin layers for device fabrication and modification is emphasized.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 558: Symposium B – Flat-Panel Displays and Sensors-Principles, Materials… , 1999 , 415
Copyright
Copyright © Materials Research Society 2000

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References

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