Approche pour l'analyse quantitative de la distribution de la taille des pores du gel de silice en utilisant la microscopie à force atomique

M. L. Palash; Sourav Mitra; Sivasankaran Harish; Kyaw Thu; Bidyut Baran Saha

doi:10.1016/j.ijrefrig.2018.08.017

Approche pour l'analyse quantitative de la distribution de la taille des pores du gel de silice en utilisant la microscopie à force atomique

Translated title of the contribution: An approach for quantitative analysis of pore size distribution of silica gel using atomic force microscopy

M. L. Palash, Sourav Mitra, Sivasankaran Harish, Kyaw Thu, Bidyut Baran Saha

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

This article discusses a direct approach for assessing irregularly shaped pore distribution of porous materials using Atomic Force Microscopy (AFM). Using the tapping mode, AFM is employed to obtain the surface topographic information of the porous materials commonly used in adsorption applications. Three different types of silica gels, commercially used silica–alumina and acetaminophen samples are investigated using an image processing technique to capture the pore size-related information. Macro and mesopores in a specified region are visualized then quantified and counted using 2-D Fast Fourier Transformation (2D FFT) technique. The results obtained by the AFM technique are then compared with the BET surface area and pore size distribution (NLDFT) extracted from the N₂ adsorption isotherms.

Translated title of the contribution	An approach for quantitative analysis of pore size distribution of silica gel using atomic force microscopy
Original language	French
Pages (from-to)	72-79
Number of pages	8
Journal	International Journal of Refrigeration
Volume	105
DOIs	https://doi.org/10.1016/j.ijrefrig.2018.08.017
Publication status	Published - Sep 2019

All Science Journal Classification (ASJC) codes

Building and Construction
Mechanical Engineering

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Palash, M. L., Mitra, S., Harish, S., Thu, K., & Saha, B. B. (2019). Approche pour l'analyse quantitative de la distribution de la taille des pores du gel de silice en utilisant la microscopie à force atomique. International Journal of Refrigeration, 105, 72-79. https://doi.org/10.1016/j.ijrefrig.2018.08.017

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abstract = "This article discusses a direct approach for assessing irregularly shaped pore distribution of porous materials using Atomic Force Microscopy (AFM). Using the tapping mode, AFM is employed to obtain the surface topographic information of the porous materials commonly used in adsorption applications. Three different types of silica gels, commercially used silica–alumina and acetaminophen samples are investigated using an image processing technique to capture the pore size-related information. Macro and mesopores in a specified region are visualized then quantified and counted using 2-D Fast Fourier Transformation (2D FFT) technique. The results obtained by the AFM technique are then compared with the BET surface area and pore size distribution (NLDFT) extracted from the N2 adsorption isotherms.",

author = "Palash, {M. L.} and Sourav Mitra and Sivasankaran Harish and Kyaw Thu and Saha, {Bidyut Baran}",

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AU - Palash, M. L.

AU - Mitra, Sourav

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AU - Thu, Kyaw

AU - Saha, Bidyut Baran

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AB - This article discusses a direct approach for assessing irregularly shaped pore distribution of porous materials using Atomic Force Microscopy (AFM). Using the tapping mode, AFM is employed to obtain the surface topographic information of the porous materials commonly used in adsorption applications. Three different types of silica gels, commercially used silica–alumina and acetaminophen samples are investigated using an image processing technique to capture the pore size-related information. Macro and mesopores in a specified region are visualized then quantified and counted using 2-D Fast Fourier Transformation (2D FFT) technique. The results obtained by the AFM technique are then compared with the BET surface area and pore size distribution (NLDFT) extracted from the N2 adsorption isotherms.

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