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Journal Article

Flashing Carbon on Cold Surfaces

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Ong,  Aik-Loong
Wolfgang Krätschmer - Carbon Molecules and Fullerenes, Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Strelnikov,  Dmitry
Wolfgang Krätschmer - Carbon Molecules and Fullerenes, Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Krätschmer,  Wolfgang
Wolfgang Krätschmer - Carbon Molecules and Fullerenes, Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Citation

Wakabayashi, T., Ong, A.-L., Strelnikov, D., & Krätschmer, W. (2004). Flashing Carbon on Cold Surfaces. Journal of Physical Chemistry B, 108(12), 3686-3690.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-8C8D-F
Abstract
The formation of carbon particles on cold surfaces takes place when rare-gas solids containing trapped carbon vapor molecules are sublimed. This formation process is accompanied by violent effects such as flashes of light emission and splashing of luminous fragments, both observable with the naked eye. The recorded optical emission spectrum shows a continuum attributable to a blackbody radiation of ~ 2500 K. We believe the violent effects are associated with exothermic reactions following the rearrangement of bonds, which leads from the metastable sp-carbon chains to the more stable sp2 form of carbon particles.