Journal
MATERIALS LETTERS
Volume 231, Issue -, Pages 171-174Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.08.048
Keywords
Magnetic materials; Microstructure; g-C3N4; NiCo-LDH nanosheet
Funding
- National Nature Science Foundation of China [51673040]
- Natural Science Foundation of Jiangsu Province [BK20171357]
- Fundamental Research Funds for the Central Universities [2242018k30008]
- Scientific Innovation Research Foundation of College Graduate in Jiangsu Province [KYLX16_0266, KYCX17_0134]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PADA) [1107047002]
- Fund Project for Transformation of Scientific and Technological Achievements of Jiangsu Province of China [BA2016105]
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Hollow microtubule structured nano-/micromaterials of hollow tubular g-C3N4 (TCN) enwrapped with nanosheets were fabricated by a three-step method. By calcining NiCo-layered-double-hydroxides/tubu lar-cyanuric acid-melamine (NiCo-LDH/TCM) precursor prepared through using 2-methylimidazole as precipitant and methanol as solvent, the as-prepared NiCo-alloy@tubular-g-C3N4 (NC@TCN) shown excellent microwave absorption in the frequency range of 2-18 GHz. The optimal reflection loss (RL) of -35.63 dB was observed at 5.00 GHz and an effective absorption bandwidth of 4.80 GHz at a matching layer thickness of 2.0 mm. Our results indicated that the deposition of NiCo-alloy nanoparticles on g-C3N4 microtubule was an efficient way to fabricate g-C3N4-based high-performance microwave absorbers. (C) 2018 Elsevier B.V. All rights reserved.
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