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Sulfur-doped biomass-derived hollow carbon microtubes toward excellent microwave absorption performance

文献类型：期刊论文

作者Huang, Fei2; Wang, Shipeng1,2,3; Ding, Wei1,3; Zhang, Min2; Kong, Xiangkai2; Sheng, Zhigao4; Liu, Qiangchun2
刊名JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
出版日期2021-02-09
ISSN号0957-4522
DOI10.1007/s10854-021-05341-7
通讯作者Liu, Qiangchun(qchliu@chnu.edu.cn)
英文摘要Micro/nanocarbon materials have been regarded as one of the most desirable microwave absorbents due to their unique physical and chemical properties, whereas their unsatisfactory intrinsic complex permittivity and poor impedance matching severely hinder the further application in microwave adsorption. Herein, novel sulfur-doped hollow carbon microtubes (S-HCMTs) are successfully prepared through a facile one-step pyrolysis process using poplar catkin as a carbon precursor and sulfur powder as a doping agent. The poplar catkin-derived carbon materials exhibit a novel hollow microtubular structure, which is hard to be realized by the conventional chemical synthesis, and meanwhile the one-dimensional hollow structure can be well preserved after the sulfur doping treatment. Note that the introduction of sulfur atoms is beneficial to the adjustment of the electrical conductivity, thereby leading to superior impedance matching characteristics and dipolar relaxation loss capacity in comparison with pure hollow carbon microtubes (HCMTs). The as-obtained S-HCMTs exhibit excellent microwave absorption performance. The minimum reflection loss (RLmin) of S-HCMTs is as high as - 37.4 dB at 6.72 GHz, and the broadest effective absorption bandwidth reaches 8.0 GHz. The high-efficiency microwave absorption is mainly originated from the unique hollow structures, enhanced dipolar/interfacial polarization, multiple scatterings, as well as the excellent impedance match. The results demonstrate that the S-HCMTs can be considered as a promising candidate in high-performance microwave absorbers integrating lightweight and strong absorption intensity.
资助项目National Nature Science Foundation of China[51002156] ; Anhui Provincial Natural Science Foundation[1508085ME100] ; Anhui Provincial Natural Science Foundation[1708085QB40] ; Anhui Provincial Natural Science Foundation[1908085QA36] ; Anhui Provincial Natural Science Fund for Colleges and Universities[KJ2017ZD31] ; China Postdoctoral Science Foundation[2016M600492]
WOS研究方向Engineering ; Materials Science ; Physics
语种英语
WOS记录号WOS:000616451400007
出版者SPRINGER
资助机构National Nature Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Fund for Colleges and Universities ; China Postdoctoral Science Foundation
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/120279]  
专题中国科学院合肥物质科学研究院
通讯作者Liu, Qiangchun
作者单位1.Anhui Univ, Inst Informat Technol, Hefei 230601, Peoples R China
2.Huaibei Normal Univ, Sch Phys & Elect Informat, Anhui Prov Key Lab Pollutant Sensit Mat & Environ, Huaibei 235000, Peoples R China
3.Anhui Univ, Inst Phys Sci, Hefei 230601, Peoples R China
4.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Huang, Fei,Wang, Shipeng,Ding, Wei,et al. Sulfur-doped biomass-derived hollow carbon microtubes toward excellent microwave absorption performance[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2021.
APA Huang, Fei.,Wang, Shipeng.,Ding, Wei.,Zhang, Min.,Kong, Xiangkai.,...&Liu, Qiangchun.(2021).Sulfur-doped biomass-derived hollow carbon microtubes toward excellent microwave absorption performance.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS.
MLA Huang, Fei,et al."Sulfur-doped biomass-derived hollow carbon microtubes toward excellent microwave absorption performance".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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