Electro-optical properties of a polymer light-emitting diode with an injection-limited hole contact
The electro-optical characteristics of a polymer light-emitting diode with a strongly reduced hole injection have been investigated. A silver contact on poly-dialkoxy-p-phenylene vinylene decreases the hole injection by five orders of magnitude, resulting in both a highly reduced light output and cu...
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| Published in: | Applied physics letters Vol. 82; no. 6; pp. 985 - 987 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
10-02-2003
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| Online Access: | Get full text |
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| Summary: | The electro-optical characteristics of a polymer light-emitting diode with a strongly reduced hole injection have been investigated. A silver contact on poly-dialkoxy-p-phenylene vinylene decreases the hole injection by five orders of magnitude, resulting in both a highly reduced light output and current. However, at high applied voltages, the current and light output strongly exceed the predictions based on the reduced hole injection, which is explained by an enhanced electric field near the hole-injection contact due to trapped electrons. |
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| ISSN: | 0003-6951 1077-3118 |
| DOI: | 10.1063/1.1543255 |