Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 5, Issue 42, Pages 11018-11024Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc04147k
Keywords
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Funding
- National Key Research and the Development Program of China [2016YFB0401701]
- National Basic Research Program of China [2014CB931702]
- NSFC [61604074, 51572128]
- NSFC-RGC [5151101197]
- Natural Science Foundation of the Jiangsu Province [BK20160827]
- Chinese Postdoctoral Science Foundation [2016M590455]
- Fundamental Research Funds for the Central Universities [30917011202, 30915012205, 30916015106]
- PAPD of the Jiangsu Higher Education Institutions
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Recently developed hybrid aerogels have attracted a great deal of attention due to their promising applications in artificial intelligence systems and wearable healthcare devices. However, the actual applications of these aerogels in such devices is still limited because most nanowire (NW) skeletons in hybrid aerogels are usually based on noble metals, which entail a series of limitations such as high cost and poor resistance to acids. Herein, pressure sensors with high sensitivity (0.38 kPa(-1) in the pressure range below 1 kPa) were fabricated from Zn2GeO4@polypyrrole NW aerogels. In addition, a universal wet-chemistry method was developed to prepare Zn2GeO4@polypyrrole NW aerogels with remarkable electrical and mechanical properties, leading to the excellent performance of the pressure sensors. Moreover, the stability of the as-obtained pressure sensors was tested by performing thousands of cycles, concluding that the pressure sensor exhibits long-time efficiency on active utilization. All these advantages make the Zn2GeO4@polypyrrole NW aerogel-based pressure sensor an excellent candidate in many applications for flexible and wearable devices.
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