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Microwave absorption enhancement of 2-dimensional CoZn/C@MoS2@PPy composites derived from metal-organic framework.
Bi, Yuxin; Ma, Mingliang; Liu, Yanyan; Tong, Zhouyu; Wang, Rongzhen; Chung, Kwok L; Ma, Aijie; Wu, Guanglei; Ma, Yong; He, Changpeng; Liu, Pan; Hu, Luying.
Afiliación
  • Bi Y; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Ma M; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China. Electronic address: mamingliang@qut.edu.cn.
  • Liu Y; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Tong Z; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Wang R; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Chung KL; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Ma A; School of Materials Science and Chemical Engineering, Xi'an Technological University, Xi'an 710021, People's Republic of China.
  • Wu G; Institute of Materials for Energy and Environment, State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, People's Republic of China.
  • Ma Y; School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China.
  • He C; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Liu P; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
  • Hu L; School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, People's Republic of China.
J Colloid Interface Sci ; 600: 209-218, 2021 Oct 15.
Article en En | MEDLINE | ID: mdl-34030004
Metal-organic framework (MOF) materials have caused widespread concerns in the field of microwave absorption, due to the unique microstructure and electronic state. Herein, the CoZn/C@MoS2@polypyrrole (PPy) composites were prepared through MOF self-template method. The MoS2 sheets and PPy shell incorporated for optimizing impedance matching of two-dimensional (2D) CoZn/C composites. The introduction of MoS2 sheets and PPy shell endowed the composites with enhanced microwave absorption. The as-prepared CoZn/C@MoS2@PPy composites showed a minimum reflection loss (RL) of -49.18 dB with the thickness of 1.5 mm. In addition, the effective absorption bandwidth (EAB, RL values exceeding -10 dB) covered 4.56 GHz, which showed greater performances than CoZn/C composites under a lower thickness (<2 mm). This work not only provides a facile route for fabricating MOF-derived carbon-based composites as microwave absorbers, but also broadens the application of MOF materials.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Colloid Interface Sci Año: 2021 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Colloid Interface Sci Año: 2021 Tipo del documento: Article Pais de publicación: Estados Unidos