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题名: Polypyrrole/Silver Coaxial Nanowire Aero-Sponges for Temperature-Independent Stress Sensing and Stress-Triggered Joule Heating
作者: He, WN(何伟娜); Li, GY(李广勇); Zhang, SQ(张尚权); Wei, Y(危勇); Wang, J(王锦); Li, QW(李清文); Zhang, XT(张学同)
通讯作者: Zhang, XT (张学同)
关键词: hybrid sponge ; nearly zero temperature coefficient resistance ; self-temperature compensation ; stress sensor ; Joule heater
刊名: ACS NANO
发表日期: 2015
DOI: 10.1021/acsnano.5b00626
卷: 9, 期:4, 页:8
收录类别: SCI
部门归属: 先进材料研究部
英文摘要: To obtain ideal sensing materials with nearly zero temperature coefficient resistance (TCR) for self-temperature-compensated pressure sensors, we proposed an Incipient Network Conformal Growth (INCG) technology to prepare hybrid and elastic porous materials: the nanoparticles (NPs) are first dispersed in solvent to form an incipient network, another component is then introduced to coat the incipient network conformally via wet chemical route. The conformal coatings not only endow NPs with high stability but also offer them additional structural elasticity, meeting requirements for future generations of portable, compressive and flexible devices. The resultant polypyrrole/silver coaxial nanowire hybrid aero-sponges prepared via INCG technology have been processed into a piezoresistive sensor with highly sensing stability (low TCR 0.86 x 10(-3)/degrees C), sensitivity (033 kPa(-1)), short response time (1 ms), minimum detectable pressure (4.93 Pa) after suffering repeated stimuli, temperature change and electric heating. Moreover, a stress-triggered Joule heater can be also fabricated mainly by the PPy-Ag NW hybrid aero-sponges with nearly zero temperature coefficient.
语种: 英语
JCR小类分区: 一区
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3395
Appears in Collections:先进材料研究部_张学同团队_期刊论文

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Recommended Citation:
He, WN,Li, GY,Zhang, SQ,et al. Polypyrrole/Silver Coaxial Nanowire Aero-Sponges for Temperature-Independent Stress Sensing and Stress-Triggered Joule Heating[J]. ACS NANO,2015,9(4):8.
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