Flexible 1-3 Composite Ultrasound Transducers With Silver-Nanowire-Based Stretchable Electrodes

In this article, a flexible piezo-composite transducer composed of the active piezoelectric material (PZT-5H) and passive polymer matrix [polydimethylsiloxane (PDMS)] is developed to achieve excellent flexibility, sensitivity, and bandwidth for biomedical and industrial applications. The flexible el...

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Veröffentlicht in:	IEEE transactions on industrial electronics (1982) 2020-08, Vol.67 (8), p.6955-6962
Hauptverfasser:	Kim, Taeyang, Cui, Zheng, Chang, Wei-Yi, Kim, Howuk, Zhu, Yong, Jiang, Xiaoning
Format:	Artikel
Sprache:	eng
Schlagworte:	1–3 Piezo-composite transducer Acoustics Biomedical materials biomedical transducer Coated electrodes Couplings Electrodes Flexibility Gold Industrial applications Mechanical properties Medical imaging Nanowires Nondestructive testing nondestructive testing/structural health monitoring (NDT/SHM) Piezoelectricity Polydimethylsiloxane Polymers Sensitivity Silicone resins Silver silver nanowires/polydimethylsiloxane (AgNW/PDMS) electrode Stress Transducers
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Beschreibung
Zusammenfassung:	In this article, a flexible piezo-composite transducer composed of the active piezoelectric material (PZT-5H) and passive polymer matrix [polydimethylsiloxane (PDMS)] is developed to achieve excellent flexibility, sensitivity, and bandwidth for biomedical and industrial applications. The flexible electrodes [silver nanowires (AgNWs) mixed with PDMS] are deposited on the transducers using a spray coating method, providing a sufficient conductivity of an electrode through repeated bending tests. The flexible 1-3 composite transducer exhibits robust mechanical flexibility (curved radius
ISSN:	0278-0046 1557-9948
DOI:	10.1109/TIE.2019.2937063