期刊
DALTON TRANSACTIONS
卷 45, 期 16, 页码 6893-6900出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt00565a
关键词
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资金
- EPSRC IAA Partnership Development Award [RG/75759]
- Royal Society
The flexibility and structure transition behaviour of ZIF-8 in a series of samples with different particle size has been studied using a combination of high-resolution N-2 gas adsorption isotherms and, for the first time, a broad in situ PXRD and Rietveld analysis. During the stepped adsorption process, large particles showed a narrow adsorption/desorption pressure range with a shorter equilibrium time due to lower kinetic hindrance, deriving from higher amount of active sites. In situ PXRD showed that both the rotation of imidazole ring and a bend in the methyl group led to the gate opening of ZIF-8.
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