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

  • Wei Lei
  • , Chi Li
  • , Matthew Cole
  • , Ke Qu
  • , Shuyi Ding
  • , Yan Zhang
  • , Jamie H. Warner
  • , Xiaobing Zhang
  • , Baoping Wang
  • , William I. Milne
  • Southeast University
  • University of Cambridge
  • Nanjing Normal University
  • University of Oxford
  • Kyung Hee University
  • Zhejiang University
  • Aixtron Ltd
  • Tokyo Institute of Technology
  • Nanjing Photonics Camray Ltd

Research output: Contribution to journalArticlepeer-review

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Abstract

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).

Original languageEnglish
Pages (from-to)255-263
Number of pages9
JournalCarbon
Volume56
DOIs
Publication statusPublished - 31 May 2013

ASJC Scopus subject areas

  • General Chemistry

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