DataVXAdvanced Materials TechnologiesPaper
journal article·2019-04

Fabrication of Large‐Area Bimodal Sensors by All‐Inkjet‐Printing

Sheng Fu, Juan Tao, Wenqiang Wu, Junlu Sun, Fangtao Li, Jing Li, Zhihao Huo, Zhiguo Xia, Rongrong Bao, Caofeng Pan

Advanced Materials Technologies· Volume 4· Issue 4
Publisher page
Source abstract

Abstract

Abstract Electronic skin (e‐skin) is a wearable smart terminal that senses changes of external environment like human skin. It will develop into an indispensable way of interaction between humanity and technology. Here, this bimodal e‐skin that senses bending strain and pressure using an all‐inkjet‐printing method is synthesized. It is based on a microcracked metal film and a sandwich capacitor structure. It is characterized by the metal film of the strain sensor as a bottom electrode of pressure sensor; the electrode plate of the device plays a dual role. When tested, the strain sensor and pressure sensor do not interfere with each other. The device has excellent performance with low pressure‐detection of 2 Pa and high stability over more than 5700 cycles for pressure sensor and high gauge factor (4000) and good stability (over 4500 cycles) for strain sensor, which can recognize the radius of curvature of human activities and objects, and can detect the pressure distribution and the curvature of irregular surfaces, showing its potential applications in wearable devices.
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Research context

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Tactile and Sensory Interactions · Nanomaterials and Printing Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro‐nano Energy and Sensor Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 100083 P. R. China

The Beijing Municipal Key Laboratory of New Energy Materials and Technologies School of Materials Sciences and Engineering University of Science and Technology Beijing Beijing 100083 P. R. China

School of Nanoscience and Technology University of Chinese Academy of Sciences Beijing 100049 P. R. China

Center on Nanoenergy Research School of Physical Science and Technology Guangxi University Nanning Guangxi 530004 P. R. China

College of Optoelectronic Engineering Shenzhen University Shenzhen 518060 China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Natural Science Foundation of Beijing Municipality

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