Device Architecture and Materials for Organic Light Emitting Devices is popular PDF and ePub book, written by Sarah Schols in 2011-05-10, it is a fantastic choice for those who relish reading online the Science genre. Let's immerse ourselves in this engaging Science book by exploring the summary and details provided below. Remember, Device Architecture and Materials for Organic Light Emitting Devices can be Read Online from any device for your convenience.
Device Architecture and Materials for Organic Light Emitting Devices Book PDF Summary
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.
Detail Book of Device Architecture and Materials for Organic Light Emitting Devices PDF
- Author : Sarah Schols
- Release : 10 May 2011
- Publisher : Springer Science & Business Media
- ISBN : 9789400716087
- Genre : Science
- Total Page : 163 pages
- Language : English
- PDF File Size : 20,5 Mb
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