Facile Synthesis and Characterization of ZIF-8 Nanocrystals

Mohanta, Girish and Kaur, Sumandeep and Kumar, Rupesh and Paul, A.K. and Deep, Akash (2014) Facile Synthesis and Characterization of ZIF-8 Nanocrystals. Nano Trends: A Journal of Nanotechnology and Its Applications , 16 (1). pp. 6-12. ISSN 0973-418X

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Official URL: http://www.nstc.in/nstc/journal/FinalPaperAbstract...


Zeolitic Imidazolate frameworks (ZIFs) are important subclass of porous metal-organic frameworks (MOFs). The ZIFs structure has zeolitic framework topologies wherein all tetrahedral atoms are transition metal ions and are bridged by imidazolate (IM) units. Zeolitic imidazolate framework-8 (ZIF-8) is a prototypical member of ZIF family, constituted from zinc metal ions and 2-methylimidazole as bridging linkers. ZIF-8 nanocrystals have gained significant research interest in recent past due to its applications in various fields such as gas sensing, gas separation, catalysis and moreover it allows easy fabrication of advanced sensors. Traditionally, syntheses of ZIF-8 nanocrystals have been a challenge and were mostly done in organic solvents which are undesirable due to their environmental and health associated risk. We report here synthesis of (ZIF-8) nanocrystals through simple aqueous route method at room temperature. The synthesis method utilized simple inorganic precursors as starting material and completed within few minutes as against several hours reported in organic solvents. The obtained ZIF-8 nanocrystals were characterized by different characterization techniques like X-ray diffraction, Fourier Transformed Infrared Spectroscopy, Dynamic Light Scattering, Energy Dispersive X-ray Spectroscopy, Differential Scanning Calorimetry and Thermo-gravimetric Analysis. The synthesis method yielded a homogeneous population of pure phase ZIF-8 nanocrystals with high thermal stability with an average size of around 100nm.

Item Type: Article
Uncontrolled Keywords: Metal organic framework, Zeolitic imidazolate Framework, Nanocrystals, Aqueous Synthesis.
Subjects: CSIO > Nano Science and Nano Technology
Divisions: Nano Science and Nano Technology
Depositing User: Ms. Jyotsana
Date Deposited: 06 Apr 2016 15:57
Last Modified: 06 Apr 2016 15:57
URI: http://csioir.csio.res.in/id/eprint/463

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