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. 2017 Jan 23;7:41281. doi: 10.1038/srep41281

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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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The images of (a) the graphene foam in a vacuum cuvette; (b) the photo of the graphene foam emission demonstrating lighting only from the spot at surface of graphene foam; (c) The photo of laser induced intense white light emission of the graphene foam.