Initiating Binary Metal Oxides Microcubes Electrsomagnetic Wave Absorber Toward Ultrabroad Absorption Bandwidth Through Interfacial and Defects Modulation
Corresponding Author: Chuanxin Hou
Nano-Micro Letters,
Vol. 15 (2023), Article Number: 220
Abstract
Cobalt nickel bimetallic oxides (NiCo2O4) have received numerous attentions in terms of their controllable morphology, high temperature, corrosion resistance and strong electromagnetic wave (EMW) absorption capability. However, broadening the absorption bandwidth is still a huge challenge for NiCo2O4-based absorbers. Herein, the unique NiCo2O4@C core–shell microcubes with hollow structures were fabricated via a facile sacrificial template strategy. The concentration of oxygen vacancies and morphologies of the three-dimensional (3D) cubic hollow core–shell NiCo2O4@C framework were effectively optimized by adjusting the calcination temperature. The specially designed 3D framework structure facilitated the multiple reflections of incident electromagnetic waves and provided rich interfaces between multiple components, generating significant interfacial polarization losses. Dipole polarizations induced by oxygen vacancies could further enhance the attenuation ability for the incident EM waves. The optimized NiCo2O4@C hollow microcubes exhibit superior EMW absorption capability with minimum RL (RLmin) of −84.45 dB at 8.4 GHz for the thickness of 3.0 mm. Moreover, ultrabroad effective absorption bandwidth (EAB) as large as 12.48 GHz (5.52–18 GHz) is obtained. This work is believed to illuminate the path to synthesis of high-performance cobalt nickel bimetallic oxides for EMW absorbers with excellent EMW absorption capability, especially in broadening effective absorption bandwidth.
Highlights:
1 3D cubic hollow core–shell NiCo2O4@C composites were synthesized.
2 Oxygen vacancies were introduced into the prepared composites.
3 Ultrabroad effective absorption bandwidth of 12.48 GHz was obtained.
4 The absorption performance mechanism of NiCo2O4/C composites was investigated.
Keywords
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References
Q. Chang, H.S. Liang, B. Shi, X.L. Li, Y.T. Zhang et al., Ethylenediamine-assisted hydrothermal synthesis of NiCo2O4 absorber with controlled morphology and excellent absorbing performance. J. Colloid Interface Sci. 588, 336–345 (2021). https://doi.org/10.1016/j.jcis.2020.12.099
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J.C. Ruan, Z.X. Chang, H.W. Rong, T.S. Alomar, D.P. Zhu et al., High-conductivity nickel shells encapsulated wood-derived porous carbon for improved electromagnetic interference shielding. Carbon 213, 118208 (2023). https://doi.org/10.1016/j.carbon.2023.118208
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J. Guo, S.H. Xi, Y.X. Zhang, X. Li, Z.R. Chen et al., Biomass based carbon materials for electromagnetic wave absorption: a mini-review. ES Food Agrofor. 13, 900 (2023)
N.N. Wu, B.B. Zhao, J.Y. Liu, Y.L. Li, Y.B. Chen et al., MOF-derived porous hollow Ni/C composites with optimized impedance matching as lightweight microwave absorption materials. Adv. Compos. Hybrid Mater. 4(3), 707–715 (2021). https://doi.org/10.1007/s42114-021-00307-z
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H.R. Cheng, Z.L. Lu, Q.S. Gao, Y. Zuo, X.H. Liu et al., PVDF-Ni/PE-CNTs composite foams with Co-continuous structure for electromagnetic interference shielding and photo-electro-thermal properties. Eng. Sci. 16, 331–340 (2021)
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T.Q. Hou, Z.R. Jia, A.L. Feng, Z.H. Zhou, X.H. Liu et al., Hierarchical composite of biomass derived magnetic carbon framework and phytic acid doped polyanilne with prominent electromagnetic wave absorption capacity. J. Mater. Sci. Technol. 68, 61–69 (2021). https://doi.org/10.1016/j.jmst.2020.06.046
J.L. Fan, W.J. Xing, Y. Huang, J.X. Dai, Q. Liu et al., Facile fabrication hierarchical urchin-like C/NiCo2O4/ZnO composites as excellent microwave absorbers. J. Alloys Compd. 821, 153491 (2020). https://doi.org/10.1016/j.jallcom.2019.153491
M. Qin, L.M. Zhang, H.J. Wu, Dual-template hydrothermal synthesis of multi-channel porous NiCo2O4 hollow spheres as high-performance electromagnetic wave absorber. Appl. Surf. Sci. 515, 146132 (2020). https://doi.org/10.1016/j.apsusc.2020.146132
J.W. Wen, X.X. Li, G. Chen, Z.N. Wang, X.J. Zhou et al., Controllable adjustment of cavity of core-shelled Co3O4@NiCo2O4 composites via facile etching and deposition for electromagnetic wave absorption. J. Colloid Interface Sci. 594, 424–434 (2021). https://doi.org/10.1016/j.jcis.2021.03.056
J.Q. Wang, J.Q. Ren, Q. Li, Y.F. Liu, Q.Y. Zhang et al., Synthesis and microwave absorbing properties of N-doped carbon microsphere composites with concavo-convex surface. Carbon 184, 195–206 (2021). https://doi.org/10.1016/j.carbon.2021.08.021
K. Yadav, R. Bagal, S. Parmar, T.U. Patro, A.C. Abhyankar, In situ coating of needle-like NiCo2O4 magnetic nanops on lightweight reticulated vitreous carbon foam toward achieving improved electromagnetic wave absorption. Ind. Eng. Chem. Res. 60(39), 14225–14238 (2021). https://doi.org/10.1021/acs.iecr.1c02636
H.J. Wu, M. Qin, L.M. Zhang, NiCo2O4 constructed by different dimensions of building blocks with superior electromagnetic wave absorption performance. Compos. Part B 182, 107620 (2020). https://doi.org/10.1016/j.compositesb.2019.107620
Y. Guo, D.D. Wang, T.T. Bai, H. Liu, Y.J. Zheng et al., Electrostatic self-assembled NiFe2O4/Ti3C2Tx MXene nanocomposites for efficient electromagnetic wave absorption at ultralow loading level. Adv. Compos. Hybrid Mater. 4(3), 602–613 (2021). https://doi.org/10.1007/s42114-021-00279-0
Y. Mu, L. Zhang, H. Liu, H. Wu, Regulating pH value synthesis of NiCo2O4 with excellent electromagnetic wave absorbing performance. J Mater Sci Mater Electron 32(21), 26059–26073 (2021). https://doi.org/10.1007/s10854-021-06055-6
L. Chai, Y.Q. Wang, Z.R. Jia, Z.X. Liu, S.Y. Zhou et al., Tunable defects and interfaces of hierarchical dandelion-like NiCo2O4 via Ostwald ripening process for high-efficiency electromagnetic wave absorption. Chem. Eng. J. 429, 132547 (2022). https://doi.org/10.1016/j.cej.2021.132547
X.J. Zhou, J.W. Wen, Z.N. Wang, X.H. Ma, H.J. Wu, Size-controllable porous flower-like NiCo2O4 fabricated via sodium tartrate assisted hydrothermal synthesis for lightweight electromagnetic absorber. J. Colloid Interface Sci. 602, 834–845 (2021). https://doi.org/10.1016/j.jcis.2021.06.083
M. Qin, L.M. Zhang, X.R. Zhao, H.J. Wu, Defect induced polarization loss in multi-shelled spinel hollow spheres for electromagnetic wave absorption application. Adv. Sci. 8(8), 2004640 (2021). https://doi.org/10.1002/advs.202004640
X.G. Su, J. Wang, X.X. Zhang, Z.J. Liu, W. Dai et al., Construction of sandwich-like NiCo2O4/Graphite nanosheets/NiCo2O4 heterostructures for a tun-able microwave absorber. Ceram. Int. 46(11), 19293–19301 (2020). https://doi.org/10.1016/j.ceramint.2020.04.269
C.X. Hou, W.Y. Yang, X.B. Xie, X.Q. Sun, J. Wang et al., Agaric-like anodes of porous carbon decorated with MoO2 nanops for stable ultralong cycling lifespan and high-rate lithium/sodium storage. J Colloid Interface Sci. 596, 396–407 (2021). https://doi.org/10.1016/j.jcis.2021.03.149
K. Li, Y. Shen, L.H. Xu, H. Pan, N. Shen et al., Achieving electromagnetic wave absorption capabilities by fabrication of flower-like structure NiCo2O4 derived from low-temperature co-precipitation. Vacuum 205, 111493 (2022). https://doi.org/10.1016/j.vacuum.2022.111493
C.X. Hou, W.Y. Yang, H. Kimura, X.B. Xie, X.Y. Zhang et al., Boosted lithium storage performance by local build-in electric field derived by oxygen vacancies in 3D holey N-doped carbon structure decorated with molybdenum dioxide. J. Mater. Sci. Technol. 142, 185–195 (2023). https://doi.org/10.1016/j.jmst.2022.10.007
C.X. Hou, Y. Hou, Y.Q. Fan, Y.J. Zhai, Y. Wang et al., Oxygen vacancy derived local build-in electric field in mesoporous hollow Co3O4 microspheres promotes high-performance Li-ion batteries. J. Mater. Chem. A 6(16), 6967–6976 (2018). https://doi.org/10.1039/C8TA00975A
Q. Mu, R.L. Liu, H. Kimura, J.C. Li, H.Y. Jiang et al., Supramolecular self-assembly synthesis of hemoglobin-like amorphous CoP@N, P-doped carbon composites enable ultralong stable cycling under high-current density for lithium-ion battery anodes. Adv. Compos. Hybrid Mater. 6, 23 (2023). https://doi.org/10.1007/s42114-022-00607-y
C. Li, Y. Ge, X. Jiang, Z. Zhang, L. Yu, The rambutan-like C@ NiCo2O4 composites for enhanced microwave absorption performance. J Mater Sci Mater Electron 30, 3124–3136 (2019). https://doi.org/10.1007/s10854-018-00592-3
X.F. Liu, C.C. Hao, H. Jiang, M. Zeng, R.H. Yu, Hierarchical NiCo2O4/Co3O4/NiO porous composite: a lightweight electromagnetic wave absorber with tunable absorbing performance. J. Mater. Chem. C 5(15), 3770–3778 (2017). https://doi.org/10.1039/C6TC05167G
F. Li, Q. Li, H. Kimura, X. Xie, X. Zhang, N. Wu, C. Hou, Morphology controllable urchin-shaped bimetallic nickel-cobalt oxide/carbon composites with enhanced electromagnetic wave absorption performance. J Mater Sci Technol 148, 250–259 (2023)
Y. Wu, K.H. Tian, R.W. Shu, J.B. Zhu, Y. Liu et al., Constructing interpenetrating structured NiCo2O4/HCNT composites with heterogeneous interfaces as low-thickness microwave absorber. J. Colloid Interface Sci. 616, 44–54 (2022). https://doi.org/10.1016/j.jcis.2022.02.027
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