CUED Publications database

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

Lei, W and Li, C and Cole, MT and Qu, K and Ding, S and Zhang, Y and Warner, JH and Zhang, X and Wang, B and Milne, WI (2013) A graphene-based large area surface-conduction electron emission display. Carbon, 56. pp. 255-263. ISSN 0008-6223

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The fabrication and functionality of a 21 cm 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 60 V. Fabricated display panels have shown real-time video capabilities that are hysteresis free (<0.2%), have extremely stable lifetimes (<3% variation over 10 h continuous operation) in addition to rapid temporal responses (<1 ms). © 2013 Elsevier Ltd. All rights reserved.

Item Type: Article
Depositing User: Cron job
Date Deposited: 16 Jul 2015 13:14
Last Modified: 07 Oct 2015 02:27
DOI: 10.1016/j.carbon.2013.01.004