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. 2016 Jun 1;6:27286. doi: 10.1038/srep27286

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UV-vis absorption and PL emission spectrum of (a) MAPbBr₃ films and (b) MAPbBr₃ QDs. (c) Top-view SEM images of integral MAPbBr₃ films and several grains respectively, the scale bar was 1 μm and 200 nm. (d,e) Show the TEM image as well as the sizes histograms of MAPbBr₃ QDs respectively. The scale bar was 20 nm and the average diameter was 7.57 nm. (f) XRD patterns of MAPbBr₃ films and QDs.