Nano-Micro Letters (Aug 2024)

Blade-Coated Porous 3D Carbon Composite Electrodes Coupled with Multiscale Interfaces for Highly Sensitive All-Paper Pressure Sensors

  • Bowen Zheng,
  • Ruisheng Guo,
  • Xiaoqiang Dou,
  • Yueqing Fu,
  • Bingjun Yang,
  • Xuqing Liu,
  • Feng Zhou

DOI
https://doi.org/10.1007/s40820-024-01488-0
Journal volume & issue
Vol. 16, no. 1
pp. 1 – 16

Abstract

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Highlights A blade-coated composite paste, composed of a compressible 3D carbon skeleton, PEDOT:PSS, and CNTs, can naturally dry to form a porous electrode on paper with a micro- and nano-structured surface. The all-paper pressure sensor demonstrated an ultrahigh sensitivity of 1014 kPa−1, a wide responsive range up to 300 kPa, and an ultralow operating voltage of 0.01 V. The sensor showcased superior detection capability, ranging from subtle wrist pulses and robust finger taps to large-area spatial force.

Keywords