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Iridium Oxide Enabled Sensors Applications

by 1,*,†, 2 and 3,†
Department of Chemistry, Xi’an Jiaotong-Liverpool University, No. 111 Ren Ai Road, Suzhou Industrial Park, Suzhou 215123, China
Department of Chemical Engineering, Rochester Institute of Technology, Rochester, NY 14623, USA
Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
Author to whom correspondence should be addressed.
Q.D. and S.H. contributed equally.
Academic Editor: Vincenzo Baglio
Received: 31 August 2021 / Revised: 20 September 2021 / Accepted: 21 September 2021 / Published: 27 September 2021
There have been numerous studies applying iridium oxides in different applications to explore their proton-change-based reactions since the 1980s. Iridium oxide can be fabricated directly by applying electrodeposition, sputter-coating method, or oxidation of iridium wire. Generally, there have been currently two approaches in applying iridium oxide to enable its sensing applications. One was to improve or create different electrolytes with (non-)electrodeposition method for better performance of Nernst Constant with the temperature-related system. The mechanism behind the scenes were summarized herein. The other was to change the structure of iridium oxide through different kinds of templates such as photolithography patterns, or template-assisted direct growth methods, etc. to improve the sensing performance. The detection targets varied widely from intracellular cell pH, glucose in an artificial sample or actual urine sample, and the hydrogen peroxide, glutamate or organophosphate pesticides, metal-ions, etc. This review paper has focused on the mechanism of electrodeposition of iridium oxide in aqueous conditions and the sensing applications towards different biomolecules compounds. Finally, we summarize future trends on Iridium oxide based sensing and predict future work that could be further explored. View Full-Text
Keywords: iridium oxide; sensors; biosensors; future trends iridium oxide; sensors; biosensors; future trends
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MDPI and ACS Style

Dong, Q.; Sun, X.; He, S. Iridium Oxide Enabled Sensors Applications. Catalysts 2021, 11, 1164.

AMA Style

Dong Q, Sun X, He S. Iridium Oxide Enabled Sensors Applications. Catalysts. 2021; 11(10):1164.

Chicago/Turabian Style

Dong, Qiuchen, Xiangcheng Sun, and Songbing He. 2021. "Iridium Oxide Enabled Sensors Applications" Catalysts 11, no. 10: 1164.

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