Issue 37, 2024

Printed magnetoresistive sensors for recyclable magnetoelectronics

Abstract

We have developed an innovative recyclable printed magnetoresistive sensor using GMR microflakes and AMR microparticles as functional fillers, with PECH as the elastomer binder. Under saturation magnetic fields of 100 mT and 30 mT, these sensors respectively exhibit magnetoresistance values of 4.7% and 0.45%. The excellent mechanical properties and thermal stability of the PECH elastomer binder endow these sensors with outstanding flexibility and temperature stability. This flexibility, low cost, and scalability make these sensors highly suitable for integration into flexible electronic devices, such as smart security systems and home automation. Moreover, these sensors are fully recyclable and reusable, allowing the materials to be separated, reused, and remanufactured without loss of performance. The low energy consumption of the production process and the recyclability of the materials significantly reduce the environmental impact of these magnetic field sensors.

Graphical abstract: Printed magnetoresistive sensors for recyclable magnetoelectronics

Supplementary files

Article information

Article type
Paper
Submitted
22 Apr 2024
Accepted
14 Aug 2024
First published
15 Aug 2024
This article is Open Access
Creative Commons BY license

J. Mater. Chem. A, 2024,12, 24906-24915

Printed magnetoresistive sensors for recyclable magnetoelectronics

X. Wang, L. Guo, O. Bezsmertna, Y. Wu, D. Makarov and R. Xu, J. Mater. Chem. A, 2024, 12, 24906 DOI: 10.1039/D4TA02765E

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