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. 2016 Feb 3;11:60. doi: 10.1186/s11671-016-1262-7

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© Chen et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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.

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Fig. 2 — The TEM images of CQD/BiOI 1.5 wt.% sample (a, b). FT-IR spectra of pure BiOI and CQD/BiOI 1.5 wt.% samples (c). the XPS C 1s spectra of the CQD/BiOI 1.5 wt.% samples (d)