Journal
NANOTECHNOLOGY
Volume 31, Issue 39, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab967c
Keywords
microwave absorption; CNT; MOF; interpenetrated structure
Funding
- Natural Science Basic Research Plan in Shaanxi Province of China [2016JQ5046]
- National Natural Science Foundation of China [51672209]
- National Key R&D Program of China [2017YFB0310300, 2017YFB0903803]
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The exploitation of carbon nanotube (CNT) and metal-organic framework (MOF) composite materials has been highly desirable in a number of applications. However, the construction of high dispersibility and stability CNT/MOF complex structures is still an enormous challenge. Herein, a novel assembly method is established for the construction of a CNT/Ni-MOF (0.1 CNT/MOF, 0.2 CNT/MOF, 0.3 CNT/MOF) interpenetrated structure by a solvothermal process. The MOFs can be robustly anchored on the surface of CNTs. Through a series of characterizations, the MOF can be comfortably integrated into the CNT fibers, which exhibits the enhancement of carrier mobility and fluorescence properties. The microwave absorption properties of the CNT/MOF are explored by a vector network analyzer. The 0.1 CNT/MOF has a maximum absorption of -9.2 dB at 18 GHz with a thickness of 5 mm, while the 0.2 CNT/MOF has a maximum absorption of -24.32 dB at 4.5 GHz with a thickness of 5 mm, a performance maximum. Therefore, the 0.2 CNT/MOF structures are potential candidates to ameliorate the microwave absorption properties.
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