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Materials 2010, 3(2), 1353-1374; doi:10.3390/ma3021353

Materials for Powder-Based AC-Electroluminescence

Department of Chemical Engineering, Fachhochschule Münster (University of Applied Sciences), Stegerwaldstraße 39, 48565 Steinfurt, Germany
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Received: 31 December 2009 / Revised: 11 February 2010 / Accepted: 20 February 2010 / Published: 23 February 2010
(This article belongs to the Special Issue Luminescent Materials)
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Abstract

At present, thick film (powder based) alternating current electroluminescence (AC-EL) is the only technology available for the fabrication of large area, laterally structured and coloured light sources by simple printing techniques. Substrates for printing may be based on flexible polymers or glass, so the final devices can take up a huge variety of shapes. After an introduction of the underlying physics and chemistry, the review highlights the technical progress behind this development, concentrating on luminescent and dielectric materials used. Limitations of the available materials as well as room for further improvement are also discussed.
Keywords: ZnS; AC-EL; phosphors; dielectrics ZnS; AC-EL; phosphors; dielectrics
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Bredol, M.; Schulze Dieckhoff, H. Materials for Powder-Based AC-Electroluminescence. Materials 2010, 3, 1353-1374.

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