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Device Architecture and Materials for Organic Light-Emitting Devices - Targeting High Current Densities and Control of the Triplet Concentration (Hardcover, 2011 ed.) Loot Price: R3,020
Discovery Miles 30 200
Device Architecture and Materials for Organic Light-Emitting Devices - Targeting High Current Densities and Control of the...

Device Architecture and Materials for Organic Light-Emitting Devices - Targeting High Current Densities and Control of the Triplet Concentration (Hardcover, 2011 ed.)

Sarah Schols

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Loot Price R3,020 Discovery Miles 30 200 | Repayment Terms: R283 pm x 12*

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Device Architecture and Materials for Organic Light-Emitting Devices focuses on the design of new device and material concepts for organic light-emitting devices, thereby targeting high current densities and an improved control of the triplet concentration. A new light-emitting device architecture, the OLED with field-effect electron transport, is demonstrated. This device is a hybrid between a diode and a field-effect transistor. Compared to conventional OLEDs, the metallic cathode is displaced by one to several micrometers from the light-emitting zone, reducing optical absorption losses. The electrons injected by the cathode accumulate at an organic heterojunction and are transported to the light-emission zone by field-effect. High mobilities for charge carriers are achieved in this way, enabling a high current density and a reduced number of charge carriers in the device. Pulsed excitation experiments show that pulses down to 1 us can be applied to this structure without affecting the light intensity, suggesting that pulsed excitation might be useful to reduce the accumulation of triplets in the device. The combination of all these properties makes the OLED with field-effect electron transport particularly interesting for waveguide devices and future electrically pumped lasers. In addition, triplet-emitter doped organic materials, as well as the use of triplet scavengers in conjugated polymers are investigated.

General

Imprint: Springer
Country of origin: Netherlands
Release date: May 2011
First published: 2011
Authors: Sarah Schols
Dimensions: 235 x 155 x 11mm (L x W x T)
Format: Hardcover
Pages: 154
Edition: 2011 ed.
ISBN-13: 978-9400716070
Categories: Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Circuits & components
Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Chromatography
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > General
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Applied optics > General
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LSN: 9400716079
Barcode: 9789400716070

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