ITP OpenIR  > SCI期刊论文
Saielli, G; Bagno, A; Wang, YT; Saielli, G (reprint author), CNR, Inst Membrane Technol, Unit Padova, Via Marzolo, I-35131 Padua, Italy.
Insights on the Isotropic-to-Smectic A Transition in Ionic Liquid Crystals from Coarse-Grained Molecular Dynamics Simulations: The Role of Microphase Segregation
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
Language英语
AbstractWe have investigated the role of microphase segregation as the driving force in the stabilization of thermotropic ionic liquid crystals of smectic type. To this end we have applied the heterogeneity order parameter, initially proposed for ionic liquids, to the coarse-grained molecular dynamics simulation results for a model system of an imidazolium nitrate ionic liquid crystal, [C(16)mim][NO3], whose phase diagram was recently studied. We have found that the heterogeneity order parameters become larger when the system goes through the transition from the isotropic phase to the smectic A phase as the temperature decreases. This can be understood by considering that, in the smectic A phase, the layered structure allows the tail groups to have a degree of aggregation larger than that in the isotropic phase. Our results highlight the role of microsegregation in the stabilization of ionic liquid crystals, which cannot be revealed by the commonly used translational and orientational order parameters used to describe liquid crystal phases.
2015
Volume119Issue:9Pages:3829-3836
Subject AreaChemistry
DOIhttp://dx.doi.org/10.1021/jp5104565
Indexed BySCI
Funding OrganizationCINECA (ISCRA projects) [CGILC_HP10BB7HYH, SMACG_HP10BZQZGE] ; CINECA (ISCRA projects) [CGILC_HP10BB7HYH, SMACG_HP10BZQZGE] ; CINECA (ISCRA projects) [CGILC_HP10BB7HYH, SMACG_HP10BZQZGE] ; CINECA (ISCRA projects) [CGILC_HP10BB7HYH, SMACG_HP10BZQZGE] ; Italian National Research Council (CNR) ; Italian National Research Council (CNR) ; Italian National Research Council (CNR) ; Italian National Research Council (CNR) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; MIUR [PRIN 2010N3T9M4, FIRB RBAP11C58T] ; MIUR [PRIN 2010N3T9M4, FIRB RBAP11C58T] ; MIUR [PRIN 2010N3T9M4, FIRB RBAP11C58T] ; MIUR [PRIN 2010N3T9M4, FIRB RBAP11C58T] ; Fondazione CARIPARO (Progetti di Eccellenza NanoMode) ; Fondazione CARIPARO (Progetti di Eccellenza NanoMode) ; Fondazione CARIPARO (Progetti di Eccellenza NanoMode) ; Fondazione CARIPARO (Progetti di Eccellenza NanoMode) ; National Natural Science Foundation of China [11274319, 11121403] ; National Natural Science Foundation of China [11274319, 11121403] ; National Natural Science Foundation of China [11274319, 11121403] ; National Natural Science Foundation of China [11274319, 11121403] ; Theoretical and Computational Biophysics group at the Beckman Institute, University of Illinois at Urbana-Champaign ; Theoretical and Computational Biophysics group at the Beckman Institute, University of Illinois at Urbana-Champaign ; Theoretical and Computational Biophysics group at the Beckman Institute, University of Illinois at Urbana-Champaign ; Theoretical and Computational Biophysics group at the Beckman Institute, University of Illinois at Urbana-Champaign
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21066
CollectionSCI期刊论文
Corresponding AuthorSaielli, G (reprint author), CNR, Inst Membrane Technol, Unit Padova, Via Marzolo, I-35131 Padua, Italy.
Recommended Citation
GB/T 7714
Saielli, G,Bagno, A,Wang, YT,et al. Insights on the Isotropic-to-Smectic A Transition in Ionic Liquid Crystals from Coarse-Grained Molecular Dynamics Simulations: The Role of Microphase Segregation[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2015,119(9):3829-3836.
APA Saielli, G,Bagno, A,Wang, YT,&Saielli, G .(2015).Insights on the Isotropic-to-Smectic A Transition in Ionic Liquid Crystals from Coarse-Grained Molecular Dynamics Simulations: The Role of Microphase Segregation.JOURNAL OF PHYSICAL CHEMISTRY B,119(9),3829-3836.
MLA Saielli, G,et al."Insights on the Isotropic-to-Smectic A Transition in Ionic Liquid Crystals from Coarse-Grained Molecular Dynamics Simulations: The Role of Microphase Segregation".JOURNAL OF PHYSICAL CHEMISTRY B 119.9(2015):3829-3836.
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