4.6 Article

Fully bendable polymer light emitting devices with carbon nanotubes as cathode and anode

Journal

APPLIED PHYSICS LETTERS
Volume 95, Issue 20, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.3266869

Keywords

carbon nanotubes; electrochemical electrodes; laminations; organic light emitting diodes; photoelectrochemical cells

Funding

  1. National Science Foundation [DMR 0507294]
  2. Department of Energy Solid State Lighting Program [DE-FC26-08NT01575]

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Polymer light emitting devices were fabricated by roll lamination using single-walled carbon nanotubes as both anode and cathode. The devices exhibited a low turn-on voltage of 3.8 V, high brightness of 1400 cd/m(2) at 10 V and maximum efficiency of 2.2 cd/A at 480 cd/m(2). The devices are also highly transparent and exhibited very high flexibility. No failure was observed after bending the devices down to 2.5 mm radius.

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