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Table 1 Field emission properties obtained from a few past flexible CNT emitters

From: RETRACTED ARTICLE: Flexible Field Emitter for X-ray Generation by Implanting CNTs into Nickel Foil

CNT emitters E to (V/μm) Maximum current density
Present work 1.64 (10 μA, 141 μA/cm2) 8.03 mA/cm2 (3.13 V/μm, 0.57 mA)
CNT/PET [11] 0.82 (0.1 μA/cm2) 2.0 mA/cm2 (1.6 V/μm)
CNT/TEOS [9] 1.76 (10 μA/cm2) 0.5 mA/cm2 (2.67 V/μm)
CNT/PMMA [3] 1.07 (10 μA/cm2) 1.5 mA/cm2 (1.9 V/μm)
CNT/PDMS [10] 0.87 (1 nA) 1.0 mA/cm2 (2.16 V/μm)
CNT/carbon cloth [18] 0.2 (10 nA) 1.0 mA/cm2 (0.4 V/μm)
  1. We have added the best results from a few past works. Some of the values have been extrapolated from data provided in the references