Organogels: Thermodynamics, Structure, Solvent Role, and Properties
This book provides a physics-oriented introduction to organogels with a comparison to polymer thermoreversible gels whenever relevant. The past decade has seen the development of a wide variety of newly-synthesized molecules that can spontaneously self-assemble or crystallize from their organic or aqueous solutions to produce fibrillar networks, namely organogels, with potential applications in organic electronics, light harvesting, bio-imaging, non-linear optics, and the like. This compact volume presents a detailed outlook of these novel molecular systems with special emphasis upon their thermodynamics, morphology, molecular structure, and rheology. The definition of these complex systems is also tackled, as well as the role of the solvent. The text features numerous temperature-phase diagrams for a variety of organogels as well as illustrations of their structures at the microscopic, mesoscopic and macroscopic level. A review of some potential applications is provided including hybrid functional materials with polymers and with carbon nanotubes. Throughout, discussions of theoretical developments and experimental advances are written at a level suitable for beginning graduate students through practicing researchers.
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acid AFM picture aliphatic moieties behavior benzyl alcohol BHPBF binary Cgel Chap Chem chemical structure chiral cross-sectional radius crystal crystalline cylinder Dasgupta derived diffraction pattern DSC experiments endotherm enthalpy Feng and Cavicchi fibrillary fibrils fibrils cross-section formation and melting fractal dimension function growth Hansen hybrid gel hydrogels hydrogen bonds interactions investigations Jean-Michel Guenet 2016 Langmuir liquid liquid–liquid phase separation liquidus melting enthalpy melting temperature Mesini microscopy molar volume molecular compound morphology nanotubes neutron scattering nucleation observed obtained occurs OPV molecules OPVOH OPVOH/benzyl alcohol OPVR organogels phase diagram phase transition Phys polymer polymer fibrils polymer thermoreversible gels polystyrene properties relation rheological Rochas SAXS scattered intensity self-assembled shown in Fig Soft Matter solid solubility parameters solutions solvent spherulitic SpringerBriefs in Materials storage modulus stress studied supramolecular polymers syndiotactic temperature–concentration phase diagram Terech ternary system thermodynamic trans-decahydronaphthalene typical xerogel