首页|MoS2 nanoflowers and PEDOT∶PSS nanocomposite enabling wearable dual-mode pressure sensors

MoS2 nanoflowers and PEDOT∶PSS nanocomposite enabling wearable dual-mode pressure sensors

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A versatile sensing platform employing inorganic MoS2 nanoflowers and organic poly(3,4-ethylene dioxythiophene):poly(styrene sulfonate)(PEDOT:PSS)has been investigated to develop the resistive and capacitive force-sensitive devices.The microstructure of the sensing layer heightens the sensitivity and response time of the dual-mode pressure sensors by augmenting electron pathways and inner stress in response to mechanical stimuli.Consequently,the capacitive and resistive sensors exhibit sensitivities of 0.37 and 0.12 kPa-1,respectively,while demonstrating a remarkable response time of approximately 100 ms.Furthermore,it is noteworthy that the PEDOT:PSS layer exhibits excellent adhesion to polydimethylsiloxane(PDMS)sub-strates,which contributes to the development of highly robust force-sensitive sensors capable of enduring more than 10000 loading/unloading cycles.The combination of MoS2/PEDOT:PSS layers in these dual-mode sensors has shown promising results in detecting human joint movements and subtle physiological signals.Notably,the sensors have achieved a remarkable precision rate of 98％in identifying target objects.These outcomes underscore the significant potential of these sensors for integration into applications such as electronic skin and human-machine interaction.

MoS2/PEDOT∶PSS nanocompositeforce-sensitive sensormulti-scaled microstructurephysiological signals monitoringobject grasping recognition

WANG FengMing、YANG WeiJia、MA Ke、SHEN GengZhe、SU DaoJian、LI BaiJun、WANG ShuangPeng、QIN BoLong、ZHANG Chi、XIN Yue、CAO XiaoBing、HE Xin

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School of Applied Physics and Materials,Wuyi University,Jiangmen 529020,China

Biomaterials R&D Center,Zhuhai Institute of Advanced Technology,Chinese Academy of Sciences,Zhuhai 519003,China

Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,Macao 999078,China

Natural Science Foundation of Guangdong ProvinceCollege Innovation Team Project of Guangdong ProvinceWuyi University-Hong Kong-Macao Joint Research and Development Fund

2021A15150106912021KCXTD0422019WGALH06

2024

10.1007/s11431-023-2550-4

中国科学:技术科学(英文版)
中国科学院

中国科学:技术科学(英文版)

CSTPCDEI
影响因子：1.056
ISSN：1674-7321
年,卷(期)：2024.67(6)