Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 29, Issue 14, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201900163
Keywords
electromagnetic compatibility; flexible; selectivity; voltage boosting; wave-transmission
Categories
Funding
- National Natural Science Foundation of China [11575085]
- Aeronautics Science Foundation of China [2017ZF52066]
- Six Talent Peaks Project in Jiangsu Province [XCL-035]
- Jiangsu 333 Talent Project
- Open Research Fund of Jiangsu Provincial Key Laboratory for Nanotechnology of Nanjing University
- Singapore Ministry of Education [MOE2017-T2-1-009, RG3/18 (S)]
- Singapore National Research Foundation under its Campus for Research Excellence And Technological Enterprise (CREATE) program
- Qing Lan Project
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Wireless techniques have improved life quality for many. However, the drawbacks like instable signal and high loss in air of electromagnetic interference hinder its further development. One solution is to develop a smart material or device, which can selectively receive a specific frequency (f(s)) of electromagnetic wave with less loss, and simultaneously show effective shielding against unwanted waves (frequency is denoted as f(p)), A bottleneck has been reached, such that using materials alone is unable to achieve the above due to the limitation of the intrinsic physical properties of materials. Here, a strategy combining the material structure design with a voltage control is proposed to overcome the limitation of materials toward the aforementioned task. The efforts are focused on exploring a suitable electrically tunable material with a sensitive response to an external voltage and the flexibility to be engineered to the needed macrostructure. As a result, the f(s) region can be fine-tuned to 8-8.4, 8-9.3, and 8-10.3 GHz.
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