Issue 43, 2023

Advancements in lanthanide-based perovskite oxide semiconductors for gas sensing applications: a focus on doping effects and development

Abstract

Lanthanide-based perovskite oxide semiconductors have garnered significant attention due to their exceptional electrical and sensing properties, making them promising candidates for gas sensing applications. This review paper focuses on developments and the impact of doping in lanthanide-based perovskite oxide semiconductors for gas sensing purposes. The review explores the factors influencing gas sensing performance, such as operating temperature, dopant selection, and target gas species. The role of dopants in enhancing gas sensing selectivity, sensitivity, response/recovery times, and stability is discussed in detail. Comparisons are drawn between doped perovskite oxide semiconductors, undoped counterparts, and other gas-sensing materials. Practical applications of lanthanide-based perovskite oxide semiconductor gas sensors are outlined, including environmental monitoring, industrial process control, and healthcare. The review also identifies current challenges and future perspectives in the field, such as the exploration of novel doping strategies and integration with emerging technologies like the Internet of Things (IoT). The findings emphasize the potential of these materials in advancing gas sensing technology and the importance of continued research in this field.

Graphical abstract: Advancements in lanthanide-based perovskite oxide semiconductors for gas sensing applications: a focus on doping effects and development

Article information

Article type
Critical Review
Submitted
14 Aug 2023
Accepted
11 Oct 2023
First published
11 Oct 2023

Anal. Methods, 2023,15, 5754-5787

Advancements in lanthanide-based perovskite oxide semiconductors for gas sensing applications: a focus on doping effects and development

M. K. Tiwari, S. Chand Yadav, A. Kanwade, J. A. Kumar Satrughna, S. M. Rajore and P. M. Shirage, Anal. Methods, 2023, 15, 5754 DOI: 10.1039/D3AY01420G

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