Stretchable 3D Wideband Dipole Antennas from Mechanical Assembly for On-Body Communication

Jia Zhu, Zhihui Hu, Senhao Zhang, Xianzhe Zhang, Honglei Zhou, Chenghao Xing, Huaiqian Guo, Donghai Qiu, Hongbo Yang, Chaoyun Song, Huanyu Cheng

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The development of wearable/stretchable electronics could largely benefit from advanced stretchable antennas with excellent on-body performance upon mechanical deformations. Despite recent developments of stretchable antennas based on intrinsically stretchable conductors, they are often affected by lossy human tissues and exhibit resonant frequency shifts upon stretching, preventing their applications in on-body wireless communication and powering. This work reports a three-dimensional (3D) stretchable wideband dipole antenna from mechanical assembly to simultaneously reduce the frequency detuning and enhance on-body performance. The large bandwidth is achieved by coupling two resonances from two pairs of radiation arms, which is well-maintained even when the antenna is directly placed on human bodies or stretched over 25%. Such an excellent on-body performance allows the antenna to robustly transmit the wireless data and energy. The design of the 3D stretchable wideband dipole antenna with significantly enhanced on-body wireless communication performance was validated by an experimental demonstration that features a small difference in the wirelessly received power between the on-body and off-body use. The combination of the mechanically assembled 3D geometries and the coupled mechanical-electromagnetic properties can open up new opportunities in deformable 3D antennas and other microwave devices with excellent on-body performance and tunable properties.

Original languageEnglish (US)
Pages (from-to)12855-12862
Number of pages8
JournalACS Applied Materials and Interfaces
Issue number10
StatePublished - Mar 16 2022

All Science Journal Classification (ASJC) codes

  • General Materials Science


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