Journal
CHEMISTRY OF MATERIALS
Volume 25, Issue 9, Pages 1542-1548Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm303751n
Keywords
covalent organic framework; microporous polymers; carbon dioxide sorption/utilization; heterogeneous catalysis; organic carbonates
Funding
- German Federal Ministry of Education and Research, BMBF [01RC0901F]
- German Science Foundation, DFG [TH1463/2-1]
- Cluster of Excellence Unifying Concepts in Catalysis [EXL 31411]
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A novel covalent triazine framework (CTF-0) was prepared by trimerization of 1,3,5-tricyanobenzene in molten ZnCl2. The monomer/ZnCl2 ratio, the reaction time, and temperature significantly influence the structure and porosity of such networks. XRD measurements revealed that crystalline frameworks can be formed with surface areas around 500 m(2).g(-1) and high CO2 uptakes. Increasing the reaction temperature yielded an amorphous material with an enlarged surface area of 2000 m(2).g(-1). This material showed good catalytic activity for CO2 cycloaddition.
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