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- W2511602540 abstract "In the matter of white light (WL) generation, considerable scientific interest has been recently devoted to the studies of carbon materials where laser light or electrical current are used for incandescence or light emission. Experiments have been performed on a number of structures, including carbon nanotubes, fullerenes, graphene, and graphene QDs, which are being considered as materials for next-generation light sources. The studies on WL emission of graphene-based materials (foam and ceramic) are presented. The intense broad band white lighting was observed in vacuum under a focused beam of laser irradiation at a number of different excitation wavelengths, from the VIS to the NIR range. It was observed that the WL emission from graphene materials was a threshold process exhibiting supralinear behavior. The intensity was highly dependent on the ambient pressure. Relatively low temperature of the sample was measured that did not exceeded 600 °C. The luminescence process was accompanied by efficient photoconductivity that increased with excitation power of the laser. The possible mechanism of white light generation is discussed as a photoinduced, transient, domain-like sp2→sp3phase transitions." @default.
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- W2511602540 date "2016-07-01" @default.
- W2511602540 modified "2023-10-18" @default.
- W2511602540 title "Graphene for white lighting" @default.
- W2511602540 doi "https://doi.org/10.1109/icton.2016.7550393" @default.
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