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. 2018 May 4;4(5):eaap9264. doi: 10.1126/sciadv.aap9264

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 4 — (A) Optical image of a lit SWCNT OLED. (B) Current density and luminance versus voltage. (C) Current efficiency and power efficiency versus luminance. (D) A comparison of the current efficiency and luminance of our SWCNT OLED with those of the previously reported CNT anode–based OLEDs in the literature (37–39) and the best ITO-PET OLED (40).