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Novel nanocapsules with Co-TiC twin cores and regulable graphitic shells for superior electromagnetic wave absorption
Zhou, Yuanliang1; Muhammad, Javid1; Zhang, Xuefeng2; Wang, Dongxing1; Duan, Yuping1; Dong, Xinglong1; Zhang, Zhidong3
Corresponding AuthorDong, Xinglong(dongxl@dlut.edu.cn) ; Zhang, Zhidong(zdzhang@imr.ac.cn)
2018
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume8Issue:12Pages:6397-6405
AbstractThe synthesis of nanometer materials with unique structures and compositions has proven successful towards the attenuation of electromagnetic (EM) waves. However, it is still a challenge to form special nanostructures by integrating magnetic/dielectric loss materials into one particle due to the difficulties in coupling the heterogeneous components. Herein, we present the synthesis of novel nanocapsules (NCs) with Co-TiC twin cores encapsulated inside graphitic shells using an arc-discharge plasma method. The thickness of the graphitic shell could be controlled by quantitatively tuning the carbon source concentration. The optimal reflection loss (RL) values of the prepared NCs was 66.59 dB at 8.76 GHz with a low thickness of 2.56 mm. The bandwidth of RL <= -10 dB was up to 14.4 GHz, which almost covered the entire frequency band, namely, the S to Ku band (3.6 GHz to 18 GHz). This superior EM wave absorption was ascribed to the specific double-core shell nanostructures and effective impedance matching between the magnetic loss and dielectric loss originating from the combination of the magnetic Co and dielectric TiC/C.
Funding OrganizationNational Natural Science foundation of China
DOI10.1039/c8ra00040a
Indexed BySCI
Language英语
Funding ProjectNational Natural Science foundation of China[51331006] ; National Natural Science foundation of China[51271044]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000425034000026
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/125733
Collection中国科学院金属研究所
Corresponding AuthorDong, Xinglong; Zhang, Zhidong
Affiliation1.Dalian Univ Technol, Key Lab Mat Modificat Laser Ion & Electron Beams, Sch Mat Sci & Engn, Dalian 116024, Liaoning, Peoples R China
2.Northeastern Univ, Sch Mat & Engn, Key Lab Anisotropy & Texture Mat MOE, Shenyang 110819, Liaoning, Peoples R China
3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110015, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Yuanliang,Muhammad, Javid,Zhang, Xuefeng,et al. Novel nanocapsules with Co-TiC twin cores and regulable graphitic shells for superior electromagnetic wave absorption[J]. RSC ADVANCES,2018,8(12):6397-6405.
APA Zhou, Yuanliang.,Muhammad, Javid.,Zhang, Xuefeng.,Wang, Dongxing.,Duan, Yuping.,...&Zhang, Zhidong.(2018).Novel nanocapsules with Co-TiC twin cores and regulable graphitic shells for superior electromagnetic wave absorption.RSC ADVANCES,8(12),6397-6405.
MLA Zhou, Yuanliang,et al."Novel nanocapsules with Co-TiC twin cores and regulable graphitic shells for superior electromagnetic wave absorption".RSC ADVANCES 8.12(2018):6397-6405.
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