Multifunctional and durable graphene-based composite sponge doped with antimonene nanosheets

The development of flexible multifunctional composites is an important topic in the fields of materials engineering, electronics, aerospace and biomedicine. However, there are still major challenges to achieve a variety of functions to meet the requirement for the application. Herein, a flexible mul...

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Bibliographic Details
Published in:Journal of materials research and technology 2022-03, Vol.17, p.2466-2479
Main Authors: Yu, Yin, Meng, Qingshi, Liu, Tianqing
Format: Article
Language:English
Subjects:
Antimonene
Graphene
Multifunctional
Porous composite
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Summary:The development of flexible multifunctional composites is an important topic in the fields of materials engineering, electronics, aerospace and biomedicine. However, there are still major challenges to achieve a variety of functions to meet the requirement for the application. Herein, a flexible multifunctional porous composite is successfully prepared by fabricating both modified graphene and antimonene into a melamine sponge. Compared with the graphene composite sponge, the addition of antimonene improved its electrochemical and sensing performances. The specific capacitance of antimonene/graphene composite sponge was significantly increased, while the capacitance retention rate was 83% under 20,000 charge–discharge cycles. The pressure sensitivity of the prepared flexible multifunctional device assembled was 44% higher than that of the graphene composite sponge. A power supply-integrated sensing system was assembled for monitoring human motion signals. The experimental results show that this system is a promising monitoring device with broad potentials in the fields of biosensing.
ISSN:2238-7854
DOI:10.1016/j.jmrt.2022.02.009