期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 37, 页码 14546-14549出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja206082s
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资金
- ERC
- EPSRC
- EPSRC via the Cambridge NanoDTC
- Herchel Smith fund
A fast and efficient mechanosynthesis (ball-milling) method of preparing amorphous zeolitic imidazolate frameworks (ZIFs) from different starting materials is discussed. Using X-ray total scattering, N-2 sorption analysis, and gas pycnometry, these frameworks are indistinguishable from one another and from temperature-amorphized ZIFs. Gas sorption analysis also confirms that they are nonporous once formed, in contrast to activated ZIF-4, which displays interesting gate-opening behavior. Nanoparticles of a prototypical nanoporous substituted ZIF, ZIF-8, were also prepared and shown to undergo amorphization.
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