Published Research - Department of Chemistry


Date of this Version

October 1972


Published by Am Physical Soc. Phys. Rev. Lett. 29, 1221 - 1223 (1972). Copyright 1972. Permission to use.


The normal-incidence specular-reflection spectrum of liquid α-methylnaphthalene was obtained for the wavelength region from 215 to 400 nm. Comparison of the Kramers-Kronig transform of the reflection spectrum with the absorption spectrum of α-methylnaphthalene is cyclohexane shows the bands of the neat-liquid spectrum shift to lower energy and display significant broadening. These effects support the existence of excitons in molecular liquids.

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