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Aerosol-Jet Printed Fine-Featured Triboelectric Sensors for Motion Sensing

Accepted version
Peer-reviewed

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Authors

Jing, Q 
Choi, YS 
Smith, M 
Ćatić, N 
Ou, C 

Abstract

jats:titleAbstract</jats:title>jats:pTriboelectric motion sensors, based on the generation of a voltage across two dissimilar materials sliding across each other as a result of the triboelectric effect, have generated interest due to the relative simplicity of the typical grated device structures and materials required. However, these sensors are often limited by poor spatial and/or temporal resolution of motion due to limitations in achieving the required device feature sizes through conventional lithography or printing techniques. Furthermore, the reliance on metallic components that are relatively straightforward to pattern into fine features limits the possibility to develop transparent sensors. Polymers would allow for transparent devices, but these materials are significantly more difficult to pattern into fine features when compared to metals. Here, an aerosol‐jet printing (AJP) technique is used to develop triboelectric sensors using a wide variety of materials, including polymers, which can be directly printed into finely featured grated structures for enhanced sensitivity to displacement and speed of motion. A detailed investigation is presented highlighting the role of material selection and feature size in determining the overall resolution of the resulting motion sensor. A three‐channel rotary sensor is also presented, demonstrating the versatility of the AJP technique in developing more complex triboelectric motion sensors.</jats:p>

Description

Keywords

aerosol-jet printing, motion sensor, triboelectricity

Journal Title

Advanced Materials Technologies

Conference Name

Journal ISSN

2365-709X
2365-709X

Volume Title

4

Publisher

Wiley
Sponsorship
European Research Council (639526)
European Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (702868)
European Research Council (ERC-2014-STG-639526, NANOGEN) Marie Sklodowska Curie Fellowship (H2020-MSCA-IF-2015-702868)
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