Addressable, large-area nanoscale organic light-emitting diodes

Scott P. Price; Joel Henzie; Teri W. Odom

doi:10.1002/smll.200600628

Addressable, large-area nanoscale organic light-emitting diodes

Scott P. Price^*, Joel Henzie, Teri W. Odom

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

The Nanoscale Organic Light Emitting Diode (OLED) arrays are fabricated over large areas with higher pixel densities using soft nanolithography parallel patterning methods. The composite polydimethyl siloxane (PDMS) stamps are used to generate arrays of 250-nm-diameter holes in negative photoresists supported on conducting substrates. The pixel densities of 10⁵ pixels per mm² are achieved with defect densities depending on imperfections in the PDMS masks. Addressable 1D arrays of Ruthenium bipyridyl complex based nano-OLEDs SU-8 are fabricated on glass substrates patterned with five 0.9-μm lines on a 1.1-μm pitch. The use of precise mechanical alignment techniques or fabrication of SU8 OLED hole arrays with large spacing achieves a perfect registration between the patterned Indium Tin Oxide (ITO) and the SU-8 nanoholes.

Original language	English (US)
Pages (from-to)	372-374
Number of pages	3
Journal	Small
Volume	3
Issue number	3
DOIs	https://doi.org/10.1002/smll.200600628
State	Published - Mar 1 2007

Keywords

Electroluminescence
Light-emitting diodes
Nanolithography
Optoelectronics

ASJC Scopus subject areas

Biotechnology
Biomaterials
General Chemistry
General Materials Science

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10.1002/smll.200600628

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title = "Addressable, large-area nanoscale organic light-emitting diodes",

abstract = "The Nanoscale Organic Light Emitting Diode (OLED) arrays are fabricated over large areas with higher pixel densities using soft nanolithography parallel patterning methods. The composite polydimethyl siloxane (PDMS) stamps are used to generate arrays of 250-nm-diameter holes in negative photoresists supported on conducting substrates. The pixel densities of 105 pixels per mm2 are achieved with defect densities depending on imperfections in the PDMS masks. Addressable 1D arrays of Ruthenium bipyridyl complex based nano-OLEDs SU-8 are fabricated on glass substrates patterned with five 0.9-μm lines on a 1.1-μm pitch. The use of precise mechanical alignment techniques or fabrication of SU8 OLED hole arrays with large spacing achieves a perfect registration between the patterned Indium Tin Oxide (ITO) and the SU-8 nanoholes.",

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AU - Henzie, Joel

AU - Odom, Teri W.

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N2 - The Nanoscale Organic Light Emitting Diode (OLED) arrays are fabricated over large areas with higher pixel densities using soft nanolithography parallel patterning methods. The composite polydimethyl siloxane (PDMS) stamps are used to generate arrays of 250-nm-diameter holes in negative photoresists supported on conducting substrates. The pixel densities of 105 pixels per mm2 are achieved with defect densities depending on imperfections in the PDMS masks. Addressable 1D arrays of Ruthenium bipyridyl complex based nano-OLEDs SU-8 are fabricated on glass substrates patterned with five 0.9-μm lines on a 1.1-μm pitch. The use of precise mechanical alignment techniques or fabrication of SU8 OLED hole arrays with large spacing achieves a perfect registration between the patterned Indium Tin Oxide (ITO) and the SU-8 nanoholes.

AB - The Nanoscale Organic Light Emitting Diode (OLED) arrays are fabricated over large areas with higher pixel densities using soft nanolithography parallel patterning methods. The composite polydimethyl siloxane (PDMS) stamps are used to generate arrays of 250-nm-diameter holes in negative photoresists supported on conducting substrates. The pixel densities of 105 pixels per mm2 are achieved with defect densities depending on imperfections in the PDMS masks. Addressable 1D arrays of Ruthenium bipyridyl complex based nano-OLEDs SU-8 are fabricated on glass substrates patterned with five 0.9-μm lines on a 1.1-μm pitch. The use of precise mechanical alignment techniques or fabrication of SU8 OLED hole arrays with large spacing achieves a perfect registration between the patterned Indium Tin Oxide (ITO) and the SU-8 nanoholes.

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KW - Light-emitting diodes

KW - Nanolithography

KW - Optoelectronics

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Addressable, large-area nanoscale organic light-emitting diodes

Abstract

Keywords

ASJC Scopus subject areas

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