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. 2017 Nov 21;8:1641. doi: 10.1038/s41467-017-01773-0

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — PL spectra and PL decays of single chains and single aggregates. Normalized PL spectra, transient PL decays, and spectral FWHM values extracted from the spectra in Fig. 3 and plotted in a histogram with 10 meV bin size for single molecules a–c and single aggregates d–f of PPEB-1 (red), PPEB-2 (orange), and PPEB-3 (green) in PMMA measured in air. Transient PL decays were fitted with an exponential plus an offset to account for the background, yielding the PL lifetimes stated in b and e