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Use of Hole and Electron Impeding layers to Improve the Efficiency of Organic Light Emitting Diodes

Bhandari, Nikhil K.
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1242850256

Abstract Details

2009, MS, University of Cincinnati, Engineering : Electrical Engineering.
The last two decades have seen and increased interest in the development of Organic Light Emitting Devices (OLEDs) as well as interest in realizing products employing the OLED technology because of the inherent advantage and extremely low power consumption this technology offers over its counterparts. The spiralling cost and demand for energy has once again brought to fore energy efficient technologies like OLED. In this thesis, we have used charge impeding layer to enhance the performance of our OLEDs. It is a well know fact that hole mobility is about two orders of magnitude higher then electron mobility in organic materials and this results in unbalanced charges as well as hole leakage problems in OLEDs especially at lower current densities. The other problem that we address in this thesis is the formation of “hole trap” in case of doped OLEDs. We propose two device structures, a Hole impeding Layer (HiL) structure for undoped OLEDs and an electron impeding structure in case of doped OLEDs. We analyze the performance improvement observed by employing these device structures.
Marc Cahay, PhD (Committee Chair)
Punit Boolchand, PhD (Committee Member)
Altan Ferendeci, PhD (Committee Member)
108 p.
OLED : Organic Light Emitting Devices

Recommended Citations

Citations

  • Bhandari, N. K. (2009). Use of Hole and Electron Impeding layers to Improve the Efficiency of Organic Light Emitting Diodes [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1242850256

    APA Style (7th edition)

  • Bhandari, Nikhil. Use of Hole and Electron Impeding layers to Improve the Efficiency of Organic Light Emitting Diodes. 2009. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1242850256.

    MLA Style (8th edition)

  • Bhandari, Nikhil. "Use of Hole and Electron Impeding layers to Improve the Efficiency of Organic Light Emitting Diodes." Master's thesis, University of Cincinnati, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1242850256

    Chicago Manual of Style (17th edition)

ucin1242850256
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© 2009, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.