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Recently, our laboratory has developed a zeolite-templated synthesis route to microporous three-dimensional (3D) graphene-like carbons via lanthanum-catalyzed carbonization of ethylene. In the present work, we optimized the ethylene carbonization conditions for a zeolite X template, using an inexpensive Ca2+-ion catalyst instead of La3+-ion catalyst. This synthesis gave a high carbon yield based on...
We report new photoluminescent carbon nanoparticles having an average particle size of 50nm. When dispersed in chloroform and excited with 325nm wavelength, the solution showed strong photoluminescence at 475nm with 12–13% quantum yield. A well dispersed photoluminescent solution can also be prepared with ethanol, xylene or hexane using the nanoparticles. The nanoparticles were prepared by a simple...
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