In-situ synthesized oxygen-vacancy-rich CuO nanosheet arrays for low-temperature ppb-level NO2 sensing

Mengyuan Ma; Lihao Lv; Kefu Yao; Ning Nan; Le Cui; Chun Li; Xiaofen Liu; Yuxin Bai; Chunsheng Zhou; Lingmin Yu

doi:10.1039/d5ta10392d

January 1, 2026Journal of Materials Chemistry A

In-situ synthesized oxygen-vacancy-rich CuO nanosheet arrays for low-temperature ppb-level NO2 sensing

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Key Points

The aim is to enhance the morphology and sensing capabilities of CuO nanosheets for detecting low levels of NO2.
Developed a strategy to synthesize oxygen-vacancy-rich CuO nanosheets in situ.
Evaluated the morphology and sensing properties at low temperatures for specific NO2 detection.
Utilized ppb-level metrics to measure sensitivity and selectivity.
The oxygen-vacancy-rich CuO nanosheet arrays demonstrated significant detection sensitivity to NO2 at low temperatures.
Sensitivity reached ppb levels, showing a favorable response to NO2 compared to other gases.
Morphological tailoring correlated with enhanced sensing properties for NO2.

Implication

Assesses selective NO2 detection in nanosheet arrays, indicating high sensitivity.

Abstract

Developing a strategy to tailor the morphology and sensing properties of CuO nanosheets array for low-temperature, ppb-level selective Nitrogen dioxide (NO2) detection is of great significance as it represents a...

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Cite This Study

Ma et al. (2026) studied this question.

synapsesocial.com/papers/6a211780d499ed480b17056f https://doi.org/10.1039/d5ta10392d

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In-situ synthesized oxygen-vacancy-rich CuO nanosheet arrays for low-temperature ppb-level NO2 sensing

Key Points

Implication

Abstract

Discussion

Cite This Study

In-situ synthesized oxygen-vacancy-rich CuO nanosheet arrays for low-temperature ppb-level NO2 sensing

Key Points

Implication

Abstract

Discussion

Cite This Study

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