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|a 9789400716087
|9 978-94-007-1608-7
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|a 10.1007/978-94-007-1608-7
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|a Schols, Sarah.
|e author.
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|a Device Architecture and Materials for Organic Light-Emitting Devices
|h [electronic resource] :
|b Targeting High Current Densities and Control of the Triplet Concentration /
|c by Sarah Schols.
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|a Dordrecht :
|b Springer Netherlands,
|c 2011.
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|a XV, 154 p.
|b online resource.
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|a text
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|a List of symbols and abbreviations. 1. Introduction -- 2. Materials and experimental techniques -- 3. OLEDs with field-effect electron transport -- 4. Devices based on diperfluorohexyl-quaterthiophene derivatives -- 5. Control of the triplet concentration -- 6. Triplet-emitter doped organic materials -- 7. Value of OLEDs with field-effect electron transport for lasing -- Bibliography.
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|a 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 µs 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.
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|a Physics.
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|a Organic chemistry.
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|a Solid state physics.
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|a Optics.
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|a Optoelectronics.
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|a Plasmons (Physics).
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|a Electronic circuits.
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|a Optical materials.
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|a Electronic materials.
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|a Solid State Physics.
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|a Circuits and Systems.
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|a Optics, Optoelectronics, Plasmonics and Optical Devices.
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|a Optical and Electronic Materials.
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|a Organic Chemistry.
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|a SpringerLink (Online service)
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|t Springer eBooks
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|i Printed edition:
|z 9789400716070
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|u http://dx.doi.org/10.1007/978-94-007-1608-7
|z Full Text via HEAL-Link
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|a ZDB-2-PHA
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|a Physics and Astronomy (Springer-11651)
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