Nano Research

, Volume 12, Issue 2, pp 331–338 | Cite as

All VN-graphene architecture derived self-powered wearable sensors for ultrasensitive health monitoring

  • Lianghao Yu
  • Yuyang Yi
  • Ting Yao
  • Yingze Song
  • Yiran Chen
  • Qiucheng Li
  • Zhou Xia
  • Nan Wei
  • Zhengnan Tian
  • Baoqing Nie
  • Li Zhang
  • Zhongfan LiuEmail author
  • Jingyu SunEmail author
Research Article


The booming of wearable electronics has nourished the progress on developing multifunctional energy storage systems with versatile flexibility, which enable the continuous and steady power supply even under various deformed states. In this sense, the synergy of flexible energy and electronic devices to construct integrative wearable microsystems is meaningful but remains quite challenging by far. Herein, we devise an innovative supercapacitor/sensor integrative wearable device that is based upon our designed vanadium nitride-graphene (VN-G) architectures. Flexible quasi-solid-state VN-G supercapacitor with ultralight and binder-free features deliver a specific capacitance of ~ 53 F·g−1 with good cycle stability. On the other hand, VN-G derived pressure sensors fabricated throughout a spray-printing process also manifest favorably high sensitivity (40 kPa−1 at the range of 2–10 kPa), fast response time (~ 130 ms), perfect skin conformability, and outstanding stability under static and dynamic pressure conditions. In turn, their complementary unity into a self-powered wearable sensor enables the precise detection of physiological motions ranging from pulse rate to phonetic recognition, holding promise for in-practical health monitoring applications.


VN-graphene architecture solid-state supercapacitor pressure sensor self-powered wearable sensor health monitoring 


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This work was supported by the National Key Research and Development Program of China (No. 2016YFA0200103), the National Natural Science Foundation of China (Nos. 51702225, 21473119, 51675275, 51520105003, and 51432002), and Jiangsu Youth Science Foundation (BK20170336). L. H. Y., Y. Y. Y., Y. Z. S., Z. X., N. W., Z. N. T., L. Z., Z. F. L., and J. Y. S. acknowledge the support from Suzhou Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies, Suzhou, China. J. Y. S. acknowledges the support from the Thousand Youth Talents Plan of China.

Supplementary material

12274_2018_2219_MOESM1_ESM.pdf (3.5 mb)
All VN-graphene architecture derived self-powered wearable sensors for ultrasensitive health monitoring


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Copyright information

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Lianghao Yu
    • 1
  • Yuyang Yi
    • 1
  • Ting Yao
    • 2
  • Yingze Song
    • 1
  • Yiran Chen
    • 1
  • Qiucheng Li
    • 1
  • Zhou Xia
    • 1
  • Nan Wei
    • 1
  • Zhengnan Tian
    • 1
  • Baoqing Nie
    • 2
  • Li Zhang
    • 1
  • Zhongfan Liu
    • 1
    • 3
    Email author
  • Jingyu Sun
    • 1
    Email author
  1. 1.College of Energy, Soochow Institute for Energy and Materials Innovations (SIEMIS), Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceSoochow UniversitySuzhouChina
  2. 2.School of Electronic and Information EngineeringSoochow UniversitySuzhouChina
  3. 3.Center for Nanochemistry (CNC), Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular EngineeringPeking UniversityBeijingChina

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