Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 18, Pages 8845-8849Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am402649g
Keywords
covalent organic frameworks; nanofibers; solvothermal synthesis; dissolution-recrystallization; nanohybrid
Funding
- National Natural Science Foundation of China [20974069, 21174089]
- Sichuan University [0082204121012]
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This paper reports a facile solvothermal approach for the design and synthesis of novel crystalline COF nanofibers with amazing properties. An interesting morphological transformation from microsphere to nanofibers was observed, which could be supported by the unique dissolution-recrystallization mechanism due to the reversible nature of dynamic imine bonding. Interestingly, it was also found that the COF nanofibers could epitaxial grow on the aramid microfiber surface. This functional nanocomposite showed an interesting colorimetric humidity-responsive behavior. Our study provides a general methodology for the fabrication of COFs with designated micronanostructures and has more implications on their applications in catalyst and sensors.
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