Journal
NANO LETTERS
Volume 8, Issue 8, Pages 2570-2575Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl801392v
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Funding
- National Natural Science Foundation of China [50525206, 10474140, U0734004]
- Ministry of Education [106126]
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Micro- and nanocubes of carbon have been synthesized by laser ablation in liquid. The morphology and structure analyses indicated that these micro- and nanocubes are single crystals with a body-centered cubic structure with a lattice constant of 5.46 angstrom, which is so-called C-8-like structure, and they have a slightly truncated shape bounded mainly by 12001 facets. A blue-purple luminescence at room temperature was observed in the cathodoluminescence spectrum of the synthesized single micro- and nanocube of carbon, which exhibited that this unique carbon nanomaterial is a new semiconductor with blue luminescence. The physical and chemical mechanisms of the synthesis of carbon micro- and nanocubes were pursued upon laser ablation in liquid.
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