期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 118, 期 2, 页码 567-576出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp409987d
关键词
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资金
- Fundacao para a Ciencia e Tecnologia (FCT) [FCT-ANR/CTM-NAN/0135/2012, PTDC/CTM-NAN/121274/2010, PEst-OE/QUI/UI0100/2013]
- [SFRH/BPD/38339/2007]
- [SFRH/BPD/43346/2008]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/43346/2008] Funding Source: FCT
A new comprehensive Molecular Dynamics study using large simulation boxes has been performed in order to complete and extend the structural analysis on the mesoscopic segregation observed in the ionic liquids of the 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide homologous series, [C(n)C(1)im][Ntf(2)] (2 <= n <= 10). The analysis includes the discussion along the whole family of the corresponding structure factors, S(q), in the low-q range (1.6 <= q/nm(-1) <= 20); the confirmation of the periodicity of the polar network of the ionic liquid and its intermediate low-q peak equivalence; and the introduction of five statistical functions that probe the existence and characterize the polar network and the nonpolar aggregates that are formed along the [C(n)C(1)im][Ntf(2)] series. The later functions comprise aggregate size distributions, average number of contact neighbors within an aggregate, neighbor distributions, distributions of aggregate maximum length, and distributions of aggregate volume.
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