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Journals / Research on Engineering Structures and Materials / 2021 / Cilt: 7 - Sayı: 2

Development of ZnO sensors via succession ionic layer adsorption and reaction (SILAR) method for ppb level NO gas sensing

Irmak KARADUMAN ER
Pages
259–272
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

NO gas sensing reactions are accelerated with Cd doping because Cd doping was created increasing oxygen vacancies surface chemisorbed oxygen species, and defects in the lattice.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this work, the effects of Cd doping on the gas sensing properties of ZnO thin films were synthesized by SILAR method and studied gas sensing characteristics against NO, CO, ammonia, methanol and acetone, systematically.
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Key Findings & Data:Whereas the operating temperature of NO gas was found 90 C, CO and acetone were 150 C and 170 C.
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Conclusion & Impact:NO gas sensing reactions are accelerated with Cd doping because Cd doping was created increasing oxygen vacancies surface chemisorbed oxygen species, and defects in the lattice.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Özet

In this work, the effects of Cd doping on the gas sensing properties of ZnO thin films were synthesized by SILAR method and studied gas sensing characteristics against NO, CO, ammonia, methanol and acetone, systematically. Whereas the operating temperature of NO gas was found 90 C, CO and acetone were 150 C and 170 C. The response was not observed in methanol and ammonia gases. Especially, it was observed that the response continued to increase as the temperature increased for methanol gas. In addition, the 5% Cd doped ZnO sensor exhibits the excellent selectivity for NO compared to other test gases as ∼12% at 0.01 ppm. NO gas sensing reactions are accelerated with Cd doping because Cd doping was created increasing oxygen vacancies surface chemisorbed oxygen species, and defects in the lattice.

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Cite This Article

ER, I. K. (2021). Development of ZnO sensors via succession ionic layer adsorption and reaction (SILAR) method for ppb level NO gas sensing. Research on Engineering Structures and Materials, Cilt: 7 - Sayı: 2, 259–272. https://ajindex.com/articles/306550

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