Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 5, Issue 3, Pages 952-957Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta07860e
Keywords
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Funding
- State Key Lab of Advanced Technology for Materials Synthesis and Processing
- Fundamental Research Funds for the Central Universities [WUT: 2016IVA092]
- Research Fund for the Doctoral Program of Higher Education of China [471-40120222]
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A novel Zn/Co zeolitic imidazolate framework (ZIF) has been constructed by an easy and straightforward room temperature technique. Several characterization techniques such as SEM, TEM-EDX, single-crystal XRD and ICP have been applied to confirm that the structure formed is a sodalite (SOD) cage type structure. The Zn/Co-ZIF possesses a high nano-crystallinity and porosity with a large surface area. By tuning the amount of Co and Zn in the Zn/Co zeolitic imidazolate framework, the physical and chemical properties have been improved compared with those of the single metal frameworks (ZIF-8 and ZIF-67). Consequently, the Zn/Co-ZIF was investigated for two different applications; gas adsorption (CO2, CH4 and N-2) andcatalysis (CO2 conversion to cyclic carbonates) and the obtained results were compared with the performance of previously reported single metal frameworks (ZIF-8 and ZIF-67). Additionally, hydrolytic stability tests under ambient conditions and immersed in water at 75 degrees C were performed and pointed out that Zn/Co-ZIF exhibits a higher stability. Moreover, based on these results, the Zn/Co-ZIF demonstrates better properties compared with ZIF-8 and ZIF-67.
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