Preliminary Study on the Synthesis of ZIF-8 Membranes via In Situ and Secondary Seeded Growth Methods

Li Sze Lai; Yin Fong Yeong; Kok Keong Lau; Mohd Shariff Azmi

doi:10.4028/www.scientific.net/AMR.1133.649

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1133Preliminary Study on the Synthesis of ZIF-8...

Preliminary Study on the Synthesis of ZIF-8 Membranes via In Situ and Secondary Seeded Growth Methods

Abstract:

In this work, synthesis of ZIF-8 membranes via in situ and secondary seeded growth methods was conducted at the preliminary stage. Synthesis durations were varied at 4 h and 36 h using in situ growth method. For secondary growth, the seeding procedure was applied through rubbing and dip-coating of the seeds on the support. The resultant membranes were characterized using X-ray diffraction (XRD) and scanning electron microscope (SEM). Subsequently, the defects of the resultant membranes were determined using nitrogen gas permeation test. The results showed that, ZIF-8 membrane synthesized using in situ growth method for 4 h exhibited highest crystallinity and lower defects with the nitrogen gas permeance of 5.09 × 10^-7 mol/m²·s·Pa. Besides, in situ growth method has shown its potential in synthesizing high quality ZIF-8 membrane through an easy and faster route.

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Periodical:

Advanced Materials Research (Volume 1133)

Pages:

649-653

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1133.649

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Online since:

January 2016

Authors:

Li Sze Lai, Yin Fong Yeong*, Kok Keong Lau, Mohd Shariff Azmi

Keywords:

Dip-Coating, In Situ Growth, Rubbing, Secondary Seeded Growth, ZIF-8 Membrane Formation

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