| ATOMIC AND MOLECULAR PHYSICS |
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Effect of Pressure on Absorption Spectra of Lycopene in n-Hexane and CS2 Solvents |
| ZHANG Wei, LIU Wei-Long, ZHENG Zhi-Ren, HUO Ming-Ming, LI Ai-Hua, YANG Bin |
| Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150001 |
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| Cite this article: |
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ZHANG Wei, LIU Wei-Long, ZHENG Zhi-Ren et al 2010 Chin. Phys. Lett. 27 013301 |
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Abstract The absorption spectra of lycopene in n-hexane and CS2 are measured under high pressure and the results are compared with β-carotene. In the lower pressure range, the deviation from the linear dependence on the Bayliss parameter (BP) for β-carotene is more visible than that for lycopene. With the further increase of the solvent BP, the 0-0 bands of lycopene and β-carotene red shift at almost the same rate in n-hexane; however, the 0-0 band of lycopene red shifts slower than that of β-carotene in CS2. The origins of these diversities are discussed taking into account the dispersion interactions and structures of solute and solvent molecules.
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| Keywords:
33.20.Kf
33.70.Jg
07.35.+k
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Received: 07 September 2009
Published: 30 December 2009
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| PACS: |
33.20.Kf
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(Visible spectra)
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33.70.Jg
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(Line and band widths, shapes, and shifts)
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07.35.+k
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(High-pressure apparatus; shock tubes; diamond anvil cells)
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