A graphene-based large area surface-conduction electron emission display

A graphene-based large area surface-conduction electron emission display

The fabrication and functionality of a 21cm graphene-based transverse electron emission display panel is presented. A screen-printed triode edge electron emission geometry has been developed based on chemical vapor deposited (CVD) graphene supported on vertically aligned carbon nanotubes (CNT) neces...

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Veröffentlicht in:Carbon (New York) 2013-05, Vol.56, p.255-263
Hauptverfasser: Lei, Wei, Li, Chi, Cole, Matthew T., Qu, Ke, Ding, Shuyi, Zhang, Yan, Warner, Jamie H., Zhang, Xiaobing, Wang, Baoping, Milne, William I.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon
Chemical vapor deposition
Cross-disciplinary physics: materials science
rheology
Electric potential
Electron emission
Electron trajectories
Emission
Exact sciences and technology
Graphene
Materials science
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Panels
Physics
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Zusammenfassung:The fabrication and functionality of a 21cm graphene-based transverse electron emission display panel is presented. A screen-printed triode edge electron emission geometry has been developed based on chemical vapor deposited (CVD) graphene supported on vertically aligned carbon nanotubes (CNT) necessary to minimize electrostatic shielding induced by the proximal bulk substrate. Integrated ZnO tetrapod electron scatterers have been shown to increase the emission efficiency by more than 90%. Simulated electron trajectories validate the observed emission characteristics with driving voltages less than 60V. Fabricated display panels have shown real-time video capabilities that are hysteresis free (
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2013.01.004