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Exo-Electron Emission From MgO Nanopowders on MgO Thin Film of Alternating Current Plasma Display Panels-Part I. Mechanism of Exo-Electron Emission
- Authors
- Kim, Yong-Seog; Kim, Joong Kyun; Weber, Larry F.
- Issue Date
- Aug-2017
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Alternating current plasma display panel (ac PDP); crystal emissive layer (CEL); magnesium oxide; shallow trap; thermally stimulated exo-electron emission (TSEE)
- Citation
- IEEE TRANSACTIONS ON ELECTRON DEVICES, v.64, no.8, pp.3252 - 3260
- Journal Title
- IEEE TRANSACTIONS ON ELECTRON DEVICES
- Volume
- 64
- Number
- 8
- Start Page
- 3252
- End Page
- 3260
- ISSN
- 0018-9383
- Abstract
- Exo-electron emission from MgO nanopowders sprayed on MgO thin film of alternating current plasma display panels was measured experimentally. Effects of several key parameters including panel temperature on the emission currents were measured and compared with a thermostimulated exo-electron emission model with three energy levels proposed in this paper. The results indicate that the exo-electronemission phenomenon is controlledby a thermal excitation of trapped electrons at shallow levels, similar to 0.2 similar to 0.3 eV below the conduction band edge. The MgO nanopowders increases the emission current significantly over the MgO thin film, possibly due to a higher concentration of recombination centers at deeper energy levels.
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