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. 2016 Sep 16;6:33546. doi: 10.1038/srep33546

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(a) Electroluminescence spectra of Br perovskites and Br_xCl_1−x perovskites. (b) CIE coordinates of red, green and blue LEDs based on QW series perovskites; inset shows the photograph of QW perovskite LEDs with Nanyang Technological University (NTU) logo.