Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1323, Issue -, Pages 174-178Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2013.10.097
Keywords
C-60-fullerene; Perfluorophenyl azide; Liquid chromatography; pi-pi interaction; Polycyclic aromatic hydrocarbons
Funding
- Japan Society for the Promotion of Science [25620111, 24350039]
- SENTAN from the Japan Science and Technology Agency
- Asahi Glass Foundation
- Grants-in-Aid for Scientific Research [24750068, 25620111] Funding Source: KAKEN
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1112436] Funding Source: National Science Foundation
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This short communication describes a newly developed open-tubular capillary which was coated with C-60-fullerene by a covalent bonding via a photo/thermal active agent. We utilized perfluorophenyl azide (PFPA) as an active agent, which can be used for the photo click coupling of the carbon materials. The inner wall of a fused silica capillary was treated with silane conjugated PFPA, and then C-60-fullerene was chemically modified by a photoreaction or a thermal reaction. Through evaluations of the capillaries by liquid chromatography, the separation characteristics of three polycyclic aromatic hydrocarbons (PAHs) were confirmed in both capillaries. With comparison of the retention behavior to a commonly used C-18 column, the prepared capillaries showed the specific separation ability based on the pi-pi stacking by C-60-fullerene. The capillary prepared by the thermal reaction provided the base line separation of phenanthrene, triphenylene, and benz[a]pyrene within 3 min at 18.8 cm capillary length. (C) 2013 Elsevier B.V. All rights reserved.
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