Understanding and Quantifying the Contribution of Oxygen Species in Hydrogen Sensing by Pd/In 2 O 3 Nanosheets

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This analysis reveals redox reactions impact hydrogen sensing performance in Pd-In2O3, suggesting improvements may enable better real-time detection.

Hydrogen sensing performance is significantly enhanced at room temperature, with peak sensitivity observed under optimized conditions.
Redox reactions involving oxygen species crucially influence the reaction kinetics and hydrogen spillover process.
Observational analysis reveals the role of oxygen vacancies in promoting reaction efficiency and overall sensor performance.
Findings indicate that tailored material design could lead to advances in sensing technology for industrial applications.

Yang et al. (2025) studied this question.

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This analysis reveals redox reactions impact hydrogen sensing performance in Pd-In2O3, suggesting improvements may enable better real-time detection.