Model isotherms were calculated using the prescriptions of Tarazona for density dependent
weighting functions assuming 2D model of finite slit pores having a diameter-to-width aspect ratio
of 6.
This model is particularly useful for microporous carbon materials. The reported pore size range is
from 3.5 to 250 angstroms.
References: Jacek Jagiello and James P. Olivier. “A simple two-dimensional NLDFT
model of gas adsorption in finite carbon pores. Application to pore
structure analysis.,” The Journal of Physical Chemistry C, 113(45):19382-
19385, 2009.
N2 - Carbon Finite Pores, As=12, 2D-NLDFT
Ar - Carbon Finite Pores, As=12, 2D-NLDFT
Geometry: Finite Slit
Substrate: Carbon
Category: Porosity
Method: Nitrogen at 77K; Argon at 87K
Model isotherms were calculated using the same methods and assumptions that were used in the
model above except in this model, the aspect ratio is equal to 12.
These two finite pore models may be used as a research tool in conjunction with independent
analytical techniques such as high-resolution transmission electron microscopy (HRTEM) and/or
X-ray diffraction (XRD) to obtain comprehensive information about the structure of studied carbon
material.
References: Jacek Jagiello and James P. Olivier. “A simple two-dimensional NLDFT
model of gas adsorption in finite carbon pores. Application to pore
structure analysis.,” The Journal of Physical Chemistry C, 113(45):19382-
19385, 2009.
N2 - Carbon Cylinder, single-wall nanotube by NLDFT
Ar - Argon Cylinder, single-wall nanotube by NLDFT
Geometry: Cylinder
Substrate: Carbon
Category: Porosity
Method: Nitrogen at 77 K; Argon at 87 K
Models Based on Statistical Thermodynamics
TriStar II Plus Operator Manual
303-42800-01 (Rev M ) — Sep 2023
B - 11
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