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. 2021 Oct 7;9:758357. doi: 10.3389/fchem.2021.758357

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Copyright © 2021 Liu, Zhang, Zhang, Wu, Li, Wu, Yang, Kang, Meng and Wei.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) The device structure and (B) electroluminescence (EL) spectra at 5 V of OLED fabricated with Ir-dfpMepy-CN as dopant (insert: CIE coordinate of FIrpic and Ir-dfpMepy-CN) (C) materials used for device fabrication.