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The authors describe the synthesis of fluorescent coral-like carbon nano-branched polymers (PCNBPs) co-doped with nitrogen and phosphorus. Uric acid and phosphoric acid act as nitrogen and phosphorus sources, respectively. The PCNBPs have a coral-like branched structure, are cross-connected, and < 20 nm in skeleton diameter. Their blue fluorescence, best measured at excitation/emission wavelengths...
The authors report on the synthesis of boron-doped carbon nanodots (B-C-dots) by a hydrothermal method using ascorbic acid and boric acid as the precursors. The dots have an irregular shape with a typical diameter of 10 nm and display strong fluorescence, with excitation/emission maxima of 350/440 nm. Fluorescence is quenched by Cu(II) and Pb(II) ions due to the formation of nonfluorescent metal complexes...
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