A self-perpetuating catalyst for the production of complex organic molecules in protostellar nebulae

Details A self-perpetuating catalyst for the production of complex organic molecules in protostellar nebulae A self-perpetuating catalyst for the production of complex organic molecules in protostellar nebulae

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..251..403n&link_type=abstract

Organic Matter in Space, Proceedings of the International Astronomical Union, IAU Symposium, Volume 251, p. 403-408

Biology

3

Astrobiology, Astrochemistry, Methods: Laboratory, Molecular Processes, Solar System: Formation, Stars: Pre–Main-Sequence

Scientific paper

When hydrogen, nitrogen and CO are exposed to amorphous iron silicate surfaces at temperatures between 500 900 K a carbonaceous coating forms via Fischer-Tropsch type reactions. Under normal circumstances such a coating would impede or stop further reaction. However, we find that this coating is a better catalyst than the amorphous iron silicates that initiate these reactions. Formation of a self-perpetuating catalytic coating on grain surfaces could explain the rich deposits of macromolecular carbon found in primitive meteorites and would imply that protostellar nebulae should be rich in organic material.

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