Indian Journal of Engineering & Materials Sciences

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Microstructural, Thermal, and Adsorption Properties of Zeolitic Imidazolate Framework-8 Synthesized by a Facile Method


Affiliations
1 Centre for Human and Organizational Resources Development (CHORD), CSIR – Central Leather Research Institute, Chennai 600 020, India
2 Centre for Analysis, Testing, Evaluation & Reporting Services (CATERS), CSIR – Central Leather Research Institute, Chennai 600 020, India
 

The objective of the present research work is to green and facile synthesis of zeolitic imidazolate framework-8 (ZIF-8) metal-organic framework (MOF). Series of ZIF-8 (ZMOFs) have been synthesized by a facile mixing method with varying amounts of methanol as the reaction medium. The volume of methanol has been reduced up to 75% with respect to the required volume reported in the literature. All the synthesized ZMOFs show the crystallographic phase and chemical structure of zeolitic imidazolate framework-8 (ZIF-8) with reasonably high thermal stability. The specific surface area of the synthesized ZMOFs lies between 1185-1325 m2g-1 and the pore volume between 0.51-0.56 cm3g-1. A decrease in the solvent volume results in a significant decrease in the product yield but has very little effect on the crystallinity, crystallographic phase, and pore characteristics of the synthesized ZMOFs.

Keywords

Metal-organic framework, Synthesis, Chemical characterization, Surface area, Porosity.
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  • Microstructural, Thermal, and Adsorption Properties of Zeolitic Imidazolate Framework-8 Synthesized by a Facile Method

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Authors

Roshini. N.
Centre for Human and Organizational Resources Development (CHORD), CSIR – Central Leather Research Institute, Chennai 600 020, India
Nitin Prakash Lobo
Centre for Analysis, Testing, Evaluation & Reporting Services (CATERS), CSIR – Central Leather Research Institute, Chennai 600 020, India
Swarna V. Kanth
Centre for Human and Organizational Resources Development (CHORD), CSIR – Central Leather Research Institute, Chennai 600 020, India
Sujata Mandal
Centre for Human and Organizational Resources Development (CHORD), CSIR – Central Leather Research Institute, Chennai 600 020, India

Abstract


The objective of the present research work is to green and facile synthesis of zeolitic imidazolate framework-8 (ZIF-8) metal-organic framework (MOF). Series of ZIF-8 (ZMOFs) have been synthesized by a facile mixing method with varying amounts of methanol as the reaction medium. The volume of methanol has been reduced up to 75% with respect to the required volume reported in the literature. All the synthesized ZMOFs show the crystallographic phase and chemical structure of zeolitic imidazolate framework-8 (ZIF-8) with reasonably high thermal stability. The specific surface area of the synthesized ZMOFs lies between 1185-1325 m2g-1 and the pore volume between 0.51-0.56 cm3g-1. A decrease in the solvent volume results in a significant decrease in the product yield but has very little effect on the crystallinity, crystallographic phase, and pore characteristics of the synthesized ZMOFs.

Keywords


Metal-organic framework, Synthesis, Chemical characterization, Surface area, Porosity.

References