Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 12, Pages 5369-5373Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm15159f
Keywords
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Funding
- Major State Basic Research Development Program of China [2011CB932501]
- National Natural Science Foundation of China [20932004]
- Chinese Academy of Sciences
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An undulated two-dimensional CTC-based covalent organic framework, CTC-COF, was synthesized through solvothermal reaction for the first time. This mesoporous material stacks in an eclipsed mode in the microcrystalline state. CTC-COF has a surface area of 1710 m(2) g(-1), with a pore width of 2.26 nm calculated by the NL-DFT modelling. The bowl-shaped core unit led to a larger surface area than its analogue, COF-5 constructed by planar subunits. This material has higher low pressure hydrogen uptake than other 2D COFs with similar structures, and even close to the 3D COF materials.
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