Journal of Applied Science and Engineering (Nov 2022)

In Situ Deposited Cu2O/NiO Nanoarrays Sensors For Bio-H2S Detection In Blood

  • Haoming Sun,
  • Min Chen,
  • Xiaojing Tian,
  • Bo wang,
  • Yinan Tao,
  • Manli Lu,
  • Xiaona Liu,
  • Pinhua Zhang,
  • Guangliang Cui,
  • Lulu Du,
  • Kaifeng Xue

DOI
https://doi.org/10.6180/jase.202307_26(7).0001
Journal volume & issue
Vol. 26, no. 7
pp. 905 – 912

Abstract

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Developing a bio-sensor for rapid detection of biological hydrogen sulfide (bio-H2S) is of great significance to human health. Metal-oxide-semiconductor heterostructure based sensors have attracted extensive attention due to their large area, order structure, fast response, and high sensitivity. In this study, we prepared the Cu2O/NiO nanoarrays by the two-dimensional electrochemical in-situ assembly deposition method for bio-H2S detection. The sensors based on Cu2O/NiO nanoarrays were measured by a customized test system. The experimental results indicated that the sensor exhibited excellent sensitivity, low detection level and good selectivity to bio-H2S in the range of 1 ∼ 200 µmol/L. Moreover, we proposed that the superior performance of the nanoarrays was mainly attributed to the synergistic effects of Cu2O/NiO heterostructure as well as vulcanization reaction of Cu2O. The results demonstrate that the Cu2O/NiO nanoarrays based sensor is a potential candidate for high performance bio-H2S sensor.

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