CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Reversible State Transition in Nanoconfined Aqueous Solutions
Zhao, L; Wang, CL; Liu, J; Wen, BH; Tu, YS; Wang, ZW; Fang, HP; wangchunlei@sinap.ac.cn; fanghaiping@sinap.ac.cn
2014
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume112Issue:7
AbstractUsing molecular dynamics simulations, we find a reversible transition between the dispersion and aggregation states of solute molecules in aqueous solutions confined in nanoscale geometry, which is not observed in macroscopic systems. The nanoscale confinement also leads to a significant increase of the critical aggregation concentration (CAC). A theoretical model based on Gibbs free energy calculation is developed to describe the simulation results. It indicates that the reversible state transition is attributed to the low free energy barrier (of order k(B)T) in between two energy minima corresponding to the dispersion and aggregation states, and the enhancement of the CAC results from the fact that at lower concentrations the number of solute molecules is not large enough to allow the formation of a stable cluster in the confined systems.
KeywordCarbon Nanotubes Water Nanoparticles Aggregation Hydrophobicity Simulations Clusters Length
Indexed BySCI
Language英语
WOS IDWOS:000331953300035
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14366
Collection中科院上海应用物理研究所2011-2020年
Corresponding Authorwangchunlei@sinap.ac.cn; fanghaiping@sinap.ac.cn
Recommended Citation
GB/T 7714
Zhao, L,Wang, CL,Liu, J,et al. Reversible State Transition in Nanoconfined Aqueous Solutions[J]. PHYSICAL REVIEW LETTERS,2014,112(7).
APA Zhao, L.,Wang, CL.,Liu, J.,Wen, BH.,Tu, YS.,...&fanghaiping@sinap.ac.cn.(2014).Reversible State Transition in Nanoconfined Aqueous Solutions.PHYSICAL REVIEW LETTERS,112(7).
MLA Zhao, L,et al."Reversible State Transition in Nanoconfined Aqueous Solutions".PHYSICAL REVIEW LETTERS 112.7(2014).
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