Journal
CHEMISTRYSELECT
Volume 1, Issue 8, Pages 1773-1779Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201600322
Keywords
halloysite nanotubes; cucurbituril; pyrene; toluene; pollutant removal
Categories
Funding
- University of Palermo
- PRIN [2010329WPF]
- FIRB [RBFR12ETL5]
- PON-TECLA [PON03PE_00214_1]
- P.O.R. Sicilia, Misura 3.15 Quota Regionale
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Hybrid materials based on halloysite nanotubes (HNT) and cucurbit[8] uril (CB[8]) were prepared with the aim to obtain efficient nanosponges towards hydrocarbons both in liquid and vapor phases. The loading on both HNT surfaces and the hybrid morphology were evidenced by FTIR spectroscopy, thermogravimetric analysis and scanning electron microscopy. In order to highlight the interactions in the hybrid C-13 {H-1} CP-MASNMR experiments were performed. The aqueous colloidal stability of HNT/CB[8] was highlighted through zeta potential and dynamic light scattering measurements. The HNT/CB[8] composite was employed as nanosponge to capture aromatic oils in aqueous phase as evidenced by fluorescence emission spectra of pyrene. These results were correlated with the adsorption capacity of the hybrid toward toluene in vapor phase. This paper provides an efficient way to prepare a biocompatible hybrid material that could be used as a potential multi-pockets nano-container for decontamination of polluted water and/or air.
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