期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 6, 页码 5590-5599出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b15098
关键词
metal-organic frameworks; ID fibers; surface modification; strength; composite materials
资金
- National Natural Science Foundation of China [21676063, U1462103]
- Harbin Science and Technology Innovation Talent Funds [2014RFXXJ028]
- HIT Environment and Ecology Innovation Special Funds [HSCJ201619]
- ACS PRF
The nanoporous metal organic frameworks (MOFs) armor is in situ intergrown onto the surfaces of carbon fibers (CFs) by nitric acid oxidization to supply nucleation sites and serves as a novel interfacial linker between the fiber and polymer matrix and a smart cushion to release interior and exterior applied forces. Simultaneous enhancements of the interfacial and interlaminar shear strength as well as the tensile strength of CFs were achieved. With the aid of an ultrasonic cleaning process, the optimized surface energy and tensile strength of CFs with a MOF armor are 83.79 mN m(-1) and 5.09 GPa, for an increase of 102% and 11.6%, respectively. Our work finds that the template-induced nucleation of 3D MOF onto 1D fibers is a general and promising approach toward advanced composite materials for diverse applications to meet scientific and technical demands.
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