Adsorption-induced deformation of nanoporous materials—A review
نویسندگان
چکیده
منابع مشابه
Quantifying adsorption-induced deformation of nanoporous materials on different length scales
A new in situ setup combining small-angle neutron scattering (SANS) and dilatometry was used to measure water-adsorption-induced deformation of a monolithic silica sample with hierarchical porosity. The sample exhibits a disordered framework consisting of macropores and struts containing two-dimensional hexagonally ordered cylindrical mesopores. The use of an H2O/D2O water mixture with zero sca...
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The Derjaguin-Broekhoff-de Boer theory of capillary condensation is employed to describe deformation of mesoporous solids in the course of adsorption-desorption hysteretic cycles. We suggest a thermodynamic model, which relates the mechanical stress induced by the adsorbed phase to the adsorption isotherm. Analytical expressions are derived for the dependence of the solvation pressure on the va...
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We present a thermodynamic model of adsorption-induced deformation of microporous carbons. The model represents the carbon structure as a macroscopically isotropic disordered three-dimensional medium composed of stacks of slit-shaped pores of different sizes embedded in an incompressible amorphous matrix. Adsorption stress in pores is calculated by means of Monte Carlo simulations. The proposed...
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The quenched solid density functional theory (QSDFT) is employed to study methane adsorption on coal at geological conditions. Themain focus is made on coal deformation in the course of adsorption that may result in either expansion/swelling or contraction, depending upon the pressure, temperature, and pore size. Twoqualitatively different types of deformation behaviorwere found depending upon ...
متن کاملAdvanced Physical Adsorption Characterization of Nanoporous Carbons
This chapter was originally published in the book Novel Carbon Adsorbents. The copy attached is provided by Elsevier for the author's benefit and for the benefit of the author's institution, for non-commercial research, and educational use. This includes without limitation use in instruction at your institution, distribution to specific colleagues, and providing a copy to your institution's adm...
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ژورنال
عنوان ژورنال: Applied Physics Reviews
سال: 2017
ISSN: 1931-9401
DOI: 10.1063/1.4975001