Paper‐Embedded Roll‐to‐Roll Mass Printed Piezoelectric Transducers

Paper‐Embedded Roll‐to‐Roll Mass Printed Piezoelectric Transducers

The trend to a world with ubiquitous electronics has the need for novel concepts for sensors and actuators that are lightweight, flexible, low‐cost, and also sustainable. Piezoelectric transducers on the basis of functional polymers can meet these expectations. In this work, a novel concept for pape...

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Bibliographic Details
Published in:Advanced materials (Weinheim) Vol. 33; no. 8; pp. e2006437 - n/a
Main Authors: Schmidt, Georg C., Panicker, Pramul M., Qiu, Xunlin, Benjamin, Aravindan J., Quintana Soler, Ricardo A., Wils, Issac, Hübler, Arved C.
Format: Journal Article
Language:English
Published: Germany Wiley Subscription Services, Inc 01-02-2021
John Wiley and Sons Inc
Subjects:
Actuators
Communication
Communications
Deoxidizing
Electrical properties
Electronics
Laminates
Mass production
Materials science
P(VDF‐TrFE)
paper electronics
Piezoelectric transducers
piezoelectricity
printed loudspeakers
Printing
R2R printing
Vinylidene
Vinylidene fluoride
Webs
Wiring
R2R printing
printed loudspeakers
piezoelectricity
paper electronics
P(VDF-TrFE)
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Summary:The trend to a world with ubiquitous electronics has the need for novel concepts for sensors and actuators that are lightweight, flexible, low‐cost, and also sustainable. Piezoelectric transducers on the basis of functional polymers can meet these expectations. In this work, a novel concept for paper‐embedded large‐area piezoelectric devices realized solely by means of roll‐to‐roll (R2R) mass printing and post printing technologies including inline poling are introduced. The device set‐up, as well as the process technology, offers the great opportunity for a cost‐efficient and environmentally friendly mass production of thin and flexible organic large‐area piezoelectric devices. As the functional layers are embedded into paper by the hot lamination of two poly(vinylidene fluoride‐co‐trifluoroethylene) P(VDF‐TrFE) layers, the printed electronics is protected and invisible. The paper gives insights to the R2R printing of a 500 m long web including R2R post printing processes and electrical and acoustic inline characterization. Fully R2R processed devices show a high remnant polarization of up to 78 mC m−2 and can be realized with high yield of >90%. Finally, a 360° surround‐sound installation realized with a 387 cm long paper web consisting of 56 piezoelectric speakers including wiring is presented. Paper‐based fully roll‐to‐roll manufactured flexible lightweight large‐area piezoelectric transducers are presented. Embedding the printed electronic layers into conventional paper webs by inline lamination and inline poling leads to piezoelectric devices with high remnant polarization and high production yield. The development gives the opportunity i.a. for novel surround sound installations of several meter length.
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content type line 23
ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.202006437