Capillarity-induced selective ex-situ synthesis of metal–organic framework inside mesoporous nanotubes
- Authors
- Ko, Jaehyoung; Lee, Jeongwook; Yoo, Bowon; Ryu, Jungju; Sohn, Daewon
- Issue Date
- Jan-2016
- Publisher
- ELSEVIER
- Keywords
- Metal-organic framework; Halloysite nanotube; Capillary action; Confinement effect; Hybrid material
- Citation
- MICROPOROUS AND MESOPOROUS MATERIALS, v.220, pp.16 - 20
- Indexed
- SCIE
SCOPUS
- Journal Title
- MICROPOROUS AND MESOPOROUS MATERIALS
- Volume
- 220
- Start Page
- 16
- End Page
- 20
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/24108
- DOI
- 10.1016/j.micromeso.2015.08.023
- ISSN
- 1387-1811
- Abstract
- A general synthetic strategy to confine metal–organic frameworks (MOFs) selectively and evenly inside lumen of mesoporous nanotubes is presented. This process includes even loading of a precursor for MOF among the nanotubes in a solution phase, and following ex-situ solvothermal reaction while the precursor is suspended exclusively inside the lumen of the nanotube by capillary action, where the nanotube acts as a template as well as an ultra-small vial. The hybrid exhibits unique gas adsorption behavior, in which both microporosity and mesoporosity exist simultaneously. Confining environment of the nanotube results in a preference of the growing MOF to a specific growth direction. Enhanced water stability of inner MOF is also observed.
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