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From PAHs to Solid Carbon

Published online by Cambridge University Press:  30 March 2011

C. Jäger
Affiliation:
Max-Planck-Institute for Astronomy, Heidelberg and Institute of Solid State Physics, Friedrich Schiller University, Helmholtzweg 3, 07743 Jena, Germany
H. Mutschke
Affiliation:
Astrophysical Institute and University Observatory, Friedrich Schiller University, Schillergässchen 2-3, 07745 Jena, Germany
T. Henning
Affiliation:
Max-Planck-Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany
F. Huisken
Affiliation:
Max-Planck-Institute for Astronomy, Heidelberg and Institute of Solid State Physics, Friedrich Schiller University, Helmholtzweg 3, 07743 Jena, Germany

Abstract

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Carbonaceous grains represent a major component of cosmic dust. The review will summarizenew results in laboratory investigations of carbonaceous dust components. Thenanometer-sized carbon particles are supposed to represent a blend of differentlystructured carbon including graphitic, diamond-like, fullerene-like and chain-likecomponents on a subnanometer or nanometer scale. Recent models used to explain thestructure of gas-phase condensed carbon nano-particles are discussed. Possible formationpathways of carbonaceous grains from molecular components and clusters and the role ofpolycyclic aromatic hydrocarbons (PAHs) and fullerenes are disclosed.