SIMBAD references

2010ApJ...722.1932R - Astrophys. J., 722, 1932-1938 (2010/October-3)

Infrared spectroscopy of naphthalene aggregation and cluster formation in argon matrices.


Abstract (from CDS):

Fourier-transform, mid-infrared absorption spectra of mixed argon/naphthalene matrices at 5 K are shown with ratios of argon-to-naphthalene that vary from 1000 to 0. These spectra show the changes as naphthalene clustering and aggregation occurs, with moderate spectral shifts affecting the C-H vibrational modes and relatively small or no shifts to the C-C and C-C-C vibrational modes. The possible contribution of homogeneous naphthalene clusters to the interstellar unidentified infrared bands is discussed. The contribution of polycyclic aromatic hydrocarbon (PAH) clusters to the 7.7 µm emission plateau and the blue shading of the 12.7 µm emission band are identified as promising candidates for future research. In addition, since PAH clusters are model components of Jupiter and Titan's atmospheres, the information presented here may also be applicable to the spectroscopy of these objects.

Abstract Copyright:

Journal keyword(s): astrochemistry - infrared: ISM - ISM: lines and bands - ISM: molecules - molecular data

Simbad objects: 5

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