Issue 39, 2016

An all-solution-processed tactile memory flexible device integrated with a NiO ReRAM

Abstract

Flexible electronics have great potential as the next class of macroscale multi-sensing devices capable of collecting a variety of information from diverse surfaces. A platform to integrate different electric components on a flexible substrate for macroscale electronics without increasing device fabrication costs needs to be explored. To address this requirement, we demonstrate an all-solution-processed tactile touch memory flexible device integrated with a NiO ReRAM, a tactile touch sensor, and resistors. The function of the solution-processed NiO ReRAM is attributed to a threshold switching mechanism due to the charge trap in the NiO film and the trap-controlled space-charge-limited current. In terms of device operations, the NiO ReRAM is mechanically stable with an on/off current ratio more than 103 while bending the substrate with a radius up to 6.1 mm. As a proof-of-concept for device applications, a tactile touch memory device, which has functions of writing and erasing tactile touch information by applying a tactile touch and SET/RESET voltage, respectively, is successfully operated. The results are promising to advance all-solution-based macroscale flexible electronics.

Graphical abstract: An all-solution-processed tactile memory flexible device integrated with a NiO ReRAM

Article information

Article type
Paper
Submitted
03 Aug 2016
Accepted
09 Sep 2016
First published
09 Sep 2016

J. Mater. Chem. C, 2016,4, 9261-9265

An all-solution-processed tactile memory flexible device integrated with a NiO ReRAM

K. Kanao, T. Arie, S. Akita and K. Takei, J. Mater. Chem. C, 2016, 4, 9261 DOI: 10.1039/C6TC03321K

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