Constructing 1T/2H MoS2 nanosheets/3D carbon foam for high-performance electromagnetic wave absorption

Lyu, Longfei; Wang, Fenglong; Li, Bin; Zhang, Xue; Qiao, Jing; Yang, Yuguo; Liu, Jiurong

doi:10.1016/j.jcis.2020.10.129

Cited by 83 publications

(34 citation statements)

References 44 publications

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“…Moreover, the energy attenuation (A) of Cu/C@MoS 2 improved almost 266.7% and 222.2% than C@MoS 2 and Cu@MoS 2 respectively, which indicate that the synergistic effect among various point-point, point-face, and face-face sites on wherever vacancy, interstitial, substitutional, and heterointerface structures in MoS 2 solid solution effectively improved the polarization loss. Additionally, the as-prepared MoS 2 solid solution have been confirmed to be best EMAs compared to various of representative MoS 2 hybrids reported recently (Figure 4j and Table S8, Supporting Information), such as defects containing MoS 2 , [51] phase transformation MoS 2 , [52] metal/carbon/RGO/ semiconductors composites. [53][54][55][56][57][58][59][60][61][62][63][64] In this case, this work can not only provide a great methodological guidance on design solid solution type EMAs, but also further revealed the synergistic polarization loss mechanism.…”

Section: Construction Of Polarization Models For Effective Emw Absorp...supporting

confidence: 61%

Synergistic Polarization Loss of MoS₂‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

Gao

Lan

et al. 2022

Adv Funct Materials

157

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Given tunable hybridization structures in solid solutions, fascinating electromagnetic (EM) properties can be achieved for regulating EM wave (EMW) absorption. Herein, a novel metal–organic cooperative interactions method is proposed to manipulate the vacancy, interstitial, substitutional, and heterointerface structures in molybdenum disulfide (MoS2) solid solution simultaneously, thence meeting the synergistic polarization loss on various point and face sites. Assisted by the coordination between Cu2+ and polydopamine (PDA), the effect of Cu modification on MoS2 is highly improved, which further lead to polarization loss on S vacancy, interstitial Cu, substitutional N, and heterointerface between carbon and MoS2. Contributing to the synergetic effect among multiple polarizations, the Cu/C@MoS2 solid solution exhibit ultrahigh EMW absorption performance, of which EMA with twice PDA delivers the effective absorption bandwidth of 7.12 GHz and minimum reflection loss of −48.22 dB (2.5 mm). The energy attenuation of Cu/C@MoS2 improved almost 266.7% and 222.2% than C@MoS2 and Cu@MoS2, respectively. Finally, this work reveals the structural dependency of solid solution materials of EMW absorption and establishes an entirely new polarization loss model.

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Section: Construction Of Polarization Models For Effective Emw Absorp...supporting

confidence: 61%

Synergistic Polarization Loss of MoS₂‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

Gao

Lan

et al. 2022

Adv Funct Materials

157

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“…There already have a few advances about 1T@2H-MoS 2 as one of the components to EMW absorbing. Liu et al [ 30 ] designed a 3D carbon foam/1T@2H-MoS 2 composites, which had the maximum reflection loss of −45.88 dB. Moreover, Che et al [ 31 ] planted the 1T@2H-MoS 2 into RGO via ammonia insert and high-temperature annealing of 2H-MoS 2 /RGO, and this composite exhibited the excellent EMW absorption ability with the sample mass ratio of 30% in sample-paraffin.…”

Section: Introductionmentioning

confidence: 99%

MoS2-Decorated/Integrated Carbon Fiber: Phase Engineering Well-Regulated Microwave Absorber

et al. 2021

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Phase engineering is an important strategy to modulate the electronic structure of molybdenum disulfide (MoS2). MoS2-based composites are usually used for the electromagnetic wave (EMW) absorber, but the effect of different phases on the EMW absorbing performance, such as 1T and 2H phase, is still not studied. In this work, micro-1T/2H MoS2 is achieved via a facile one-step hydrothermal route, in which the 1T phase is induced by the intercalation of guest molecules and ions. The EMW absorption mechanism of single MoS2 is revealed by presenting a comparative study between 1T/2H MoS2 and 2H MoS2. As a result, 1T/2H MoS2 with the matrix loading of 15% exhibits excellent microwave absorption property than 2H MoS2. Furthermore, taking the advantage of 1T/2H MoS2, a flexible EMW absorbers that ultrathin 1T/2H MoS2 grown on the carbon fiber also performs outstanding performance only with the matrix loading of 5%. This work offers necessary reference to improve microwave absorption performance by phase engineering and design a new type of flexible electromagnetic wave absorption material to apply for the portable microwave absorption electronic devices.

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“…The MoS 2 /Carbon Nanotubes (CNTs) (2D/1D) composite synthesized by Sun et al gave a maximum EAB = 5.60 GHz (RL max = -47.9 dB) 11 . The MoS 2 Nanosheets/3D Carbon Foam reported by Lyuet al 12 (RL max = -45.88 dB, EAB = 5.68 GHz). Whereas Wang et al prepared carbon composite was prepared by hydrothermal method.…”

Section: Introductionmentioning

confidence: 87%

MoS₂ nanoparticle/activated carbon composite as a dual-band material for absorbing microwaves

Negi

Kumar

2021

Nanoscale Adv.

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Constructing 1T/2H MoS2 nanosheets/3D carbon foam for high-performance electromagnetic wave absorption

Cited by 83 publications

References 44 publications

Synergistic Polarization Loss of MoS₂‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

Synergistic Polarization Loss of MoS₂‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

MoS2-Decorated/Integrated Carbon Fiber: Phase Engineering Well-Regulated Microwave Absorber

MoS₂ nanoparticle/activated carbon composite as a dual-band material for absorbing microwaves

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Constructing 1T/2H MoS2 nanosheets/3D carbon foam for high-performance electromagnetic wave absorption

Cited by 83 publications

References 44 publications

Synergistic Polarization Loss of MoS2‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

Synergistic Polarization Loss of MoS2‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

MoS2-Decorated/Integrated Carbon Fiber: Phase Engineering Well-Regulated Microwave Absorber

MoS2 nanoparticle/activated carbon composite as a dual-band material for absorbing microwaves

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Product

Resources

About

Synergistic Polarization Loss of MoS₂‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

Synergistic Polarization Loss of MoS₂‐Based Multiphase Solid Solution for Electromagnetic Wave Absorption

MoS₂ nanoparticle/activated carbon composite as a dual-band material for absorbing microwaves