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

• Published in: Journal of Applied Science and Engineering Vol. 26; no. 7; pp. 905 - 912
• Main Authors: Haoming Sun, Min Chen, Xiaojing Tian, Bo wang, Yinan Tao, Manli Lu, Xiaona Liu, Pinhua Zhang, Guangliang Cui, Lulu Du, Kaifeng Xue
• Format: Journal Article
• Language: English
• Published: Tamkang University Press 01.01.2023
• Subjects: bio-h2s sensor; cu2o; nanoarrays; nio
• ISSN: 2708-9967; 2708-9975
• DOI: 10.6180/jase.202307_26(7).0001

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.