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Article

Printable Stretchable Silver Ink and Application to Printed RFID Tags for Wearable Electronics

1
Key Laboratory of Electromagnetic Wave Information Technology and Metrology of Zhejiang Province, College of information Engineering, China Jiliang University (CJLU), Hangzhou 310018, China
2
Printable Electronics Research Centre, Suzhou Institute of Nanotech and nano-bionics, Chinese Academy of Sciences (SINANO), Suzhou 215123, China
3
University of Chinese Academy of Sciences, Beijing 100000, China
*
Authors to whom correspondence should be addressed.
Materials 2019, 12(18), 3036; https://doi.org/10.3390/ma12183036
Received: 24 July 2019 / Revised: 3 September 2019 / Accepted: 17 September 2019 / Published: 19 September 2019
(This article belongs to the Special Issue Electronic Materials and Devices)
A printable elastic silver ink has been developed, which was made of silver flakes, dispersant, and a fluorine rubber and could be sintered at a low temperature. The printed elastic conductors showed low resistivity at 21 μΩ·cm, which is about 13.2 times of bulk silver (1.59 μΩ·cm). Their mechanical properties were investigated by bending, stretching, and cyclic endurance tests. It was found that upon stretching the resistance of printed conductors increased due to deformation and small cracks appeared in the conductor, but was almost reversible when the strain was removed, and the recovery of conductivity was found to be time dependent. Radio-frequency identification (RFID) tags were fabricated by screen printing the stretchable silver ink on a stretchable fabric (lycra). High performance of tag was maintained even with 1000 cycles of stretching. As a practical example of wearable electronics, an RFID tag was printed directly onto a T-shirt, which demonstrated its normal working order in a wearing state. View Full-Text
Keywords: screen-printing; stretchable; silver ink; RFID tag; wearable electronics screen-printing; stretchable; silver ink; RFID tag; wearable electronics
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MDPI and ACS Style

Zhong, T.; Jin, N.; Yuan, W.; Zhou, C.; Gu, W.; Cui, Z. Printable Stretchable Silver Ink and Application to Printed RFID Tags for Wearable Electronics. Materials 2019, 12, 3036. https://doi.org/10.3390/ma12183036

AMA Style

Zhong T, Jin N, Yuan W, Zhou C, Gu W, Cui Z. Printable Stretchable Silver Ink and Application to Printed RFID Tags for Wearable Electronics. Materials. 2019; 12(18):3036. https://doi.org/10.3390/ma12183036

Chicago/Turabian Style

Zhong, Tao, Ning Jin, Wei Yuan, Chunshan Zhou, Weibing Gu, and Zheng Cui. 2019. "Printable Stretchable Silver Ink and Application to Printed RFID Tags for Wearable Electronics" Materials 12, no. 18: 3036. https://doi.org/10.3390/ma12183036

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