Probing Weak Intermolecular Interactions in Self-Assembled Nanotubes | Zendy

Laurent Bouteiller | Zendy; Paul van der Schoot | Zendy

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Probing Weak Intermolecular Interactions in Self-Assembled Nanotubes

Author(s) -

Laurent Bouteiller,

Paul van der Schoot

Publication year - 2011

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja210706v

Subject(s) - chemistry , intermolecular force , solvent , chemical physics , angstrom , intermolecular interaction , solvent effects , nanotechnology , thermodynamics , molecule , organic chemistry , crystallography , physics , materials science

Extreme confinement affects the physical properties of fluids, but little quantitative data is available. We report on studies of a bisurea compound that self-assembles into nanotubes to probe solvent confinement on the angstrom scale. By applying a statistical model to calorimetric data obtained on solvent mixtures, we show that the thermodynamic stability of the nanotubes is an extremely sensitive function of the solvent composition because solvent interactions inside and outside of the nanotubes are different. We are able to measure energetic effects as small as 0.01 kT and relate them to the differences in molecular structure of the solvents.

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