Formation of hollow and mesoporous structures in single-crystalline microcrystals of metal-organic frameworks via double-solvent mediated overgrowth

Lien Yang Chou, Pan Hu, Jia Zhuang, Joseph V. Morabito, Ka Chon Ng, Ya Chuan Kao, Shao Chun Wang, Fa Kuen Shieh, Chun Hong Kuo, Chia Kuang Tsung

研究成果: 雜誌貢獻期刊論文同行評審

56 引文 斯高帕斯(Scopus)

摘要

The creation of hierarchical porosity in metal-organic frameworks (MOFs) could benefit various applications of MOFs such as gas storage and separation. Having single-crystalline microcrystals instead of poly-crystalline composites is critical for these potential applications of MOFs with hierarchical porosity. We developed a room temperature synthetic method to generate uniform hollow and mesoporous zeolitic imidazolate framework-8 (ZIF-8) microcrystals with a single-crystalline structure via overgrowing a ZIF-8 shell in methanol solution on a ZIF-8 core with water adsorbed in the pores. The cavities formed as a result of the different solvent micro-environment. This double-solvent mediated overgrowth method could be applied to prepare other MOFs with hierarchical porosity.

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頁(從 - 到)19408-19412
頁數5
期刊Nanoscale
7
發行號46
DOIs
出版狀態已出版 - 14 12月 2015

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