Abstract
We discuss the optical properties of carbonaceous materials from the VUV to the FIR. Updated laboratory data on amorphous carbon (HAC) and some PAH mixtures are analysed and compared with relevant literature. We find that the 2175 Å hump can be due to very small (< a > ≤ 10 Å) HAC grains. The UIR bands seem better explained by mixtures of HAC particles and collections of PAHs.
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Bussoletti, E., Colangeli, L. (1989). Optical Properties of Carbonaceous Materials. In: Allamandola, L.J., Tielens, A.G.G.M. (eds) Interstellar Dust. International Astronomical Union / Union Astronomique Internationale, vol 135. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2462-8_13
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DOI: https://doi.org/10.1007/978-94-009-2462-8_13
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