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Schematic diagram of EL device composed of CL phosphor and CNT with measurement setup.
Emission images of the EL device (a) with CNT and (b) without CNT at 10 kHz pulse of ac 250 V.
The brightness of the EL device for the phosphor composite with various concentrations of CNT, where the brightness was measured as a function of ac driving voltage at 10 kHz.
(a) SEM images of the EL device showing CNTs distributed on the surface of phosphor particles, in which the concentration of CNT was , (b) comparison of schematic diagram of EL device using CL phosphor without CNT and with CNT, and (c) their band diagrams.
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