Evidence map›Paper›PMID 41632195›Full record

ArticleMikrochimica acta2026

Temperature-regulated dual-selective nitric oxide/aniline sensor based on oxygen vacancy-rich CeO

Ming-Song Lv, Yu-Ying Xin, Hui-Ru Li, Xian-Fa Zhang, Zhao-Peng Deng, Ying-Ming Xu, Li-Hua Huo, Shan Gao

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Article in Mikrochimica acta, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Ming-Song LvKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Yu-Ying XinKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Hui-Ru LiKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Xian-Fa ZhangKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Zhao-Peng DengKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China. dengzhaopeng@hlju.edu.cn.
Ying-Ming XuKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Li-Hua HuoKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Shan GaoKey Laboratory of Functional Inorganic Material Chemistry, School of Chemistry and Materials Science, Ministry of Education, Heilongjiang University, Harbin, 150080, China. gaoshan@hlju.edu.cn.

Funding

the Fundamental Research Funds for the Universities of Heilongjiang Province 2022-KYYWF-1033the Program for Young Talents of Basic Research in Universities of Heilongjiang Province YQJH2024183
6 · The paper itself

Abstract

While the design of temperature-regulated resistive sensors for concurrent detection of multiple hazardous gases is notably underexplored and challenging, hollow tube structures offer a potential pathway to enhance sensing performance. Guided by waste utilization and sustainable engineering, two CeO2/ZnO hetero-tubes and one CeO2 homo-tube were synthesized by simply impregnating waste catkins in mixed solutions of zinc and cerium nitrates with different molar ratios, followed by air calcination at 500 °C. Thereinto, the mesoporous 12.0 wt% CeO2/ZnO hetero-tubes possess large specific surface area, rich oxygen vacancies and high concentration of adsorption oxygen species, which can promote rapid gas diffusion, expose more active sites and improve surface reaction kinetics, thereby establishing a detecting platform for two harmful gases. Under the synergistic effect of n-n hetero-interface and surface Ce3+/Ce4+ ion-pair catalysis, 12.0 wt% CeO2/ZnO sensor realizes a high response (response value of 521 for 10 ppm NO) at near-room temperature of 50 °C, and a good response (response value of 34 for 100 ppm aniline) at relatively low working temperature of 170 °C. This is the first reported resistive-type gas sensor to realize dual-selective detection of trace NO/aniline under temperature modulation. This sensor also exhibits fast response-recovery, reversible reproducibility, good selectivity and moisture resistance. In addition, the temperature-regulated dual-sensing mechanism was explored in detail using various advanced techniques.

Indexed as

Aniline sensorBio-template engineeringCeO2/ZnO hetero-tubeNitric oxide sensorTemperature-regulated selectivity

Identifiers

PMID41632195

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