DataVXACS NanoPaper
journal article·2018-04-24

3D Synergistical MXene/Reduced Graphene Oxide Aerogel for a Piezoresistive Sensor

Yanan Ma, Yang Yue, Hang Zhang, Feng Cheng, Wanqiu Zhao, Jiangyu Rao, Shijun Luo, Jie Wang, Xueliang Jiang, Zhitian Liu, Nishuang Liu, Yihua Gao

ACS Nano· Volume 12· Issue 4
Publisher page
Source abstract

Abstract

A piezoresistive sensor based on ultralight and superelastic aerogel is reported to fabricate MXene/reduced graphene oxide (MX/rGO) hybrid 3D structures and utilize their pressure-sensitive characteristics. The MX/rGO aerogel not only combines the rGO’s large specific surface area and the MXene’s (Ti3C2Tx) high conductivity but also exhibits rich porous structure, which leads to performance better than that of single-component rGO or MXene in terms of the pressure sensor. The large nanosheets of rGO can prevent the poor oxidization of MXene by wrapping MXene inside the aerogel. More importantly, the piezoresistive sensor based on the MX/rGO aerogel shows extremely high sensitivity (22.56 kPa–1), fast response time (<200 ms), and good stability over 10 000 cycles. The piezoresistive sensor based on the MX/rGO hybrid 3D aerogel can easily capture the signal below 10 Pa, thus clearly testing the pulse of an adult at random. Based on its superior performance, it also demonstrates potential applications in measuring pressure distribution, distinguishing subtle strain, and monitoring healthy activity.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · MXene and MAX Phase Materials · Gas Sensing Nanomaterials and Sensors

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

Affiliations

Center for Nanoscale Characterization & Devices (CNCD), Wuhan National Laboratory for Optoelectronics (WNLO), School of Physics, Huazhong University of Science and Technology (HUST), Luoyu Road 1037, Wuhan 430074, China

School of Sciences, Hubei University of Automotive Technology, Shiyan 442002, China

Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China

Funding

National Natural Science Foundation of China · Key Laboratory of Automotive Power Train and Electronics, Hubei University of Automotive Technology

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