Flower-like NiO for the detection of 3-methyl-1-butanol, a microbial volatile organic compound

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Data

2023-02-15

Autores

Vioto, Gabriel C.N. [UNESP]
Perfecto, Tarcísio M. [UNESP]
Zito, Cecilia A. [UNESP]
Volanti, Diogo P. [UNESP]

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Resumo

Volatile organic compounds (VOCs) can indicate the quality or freshness of food. Thus, the development of VOC sensors has a tremendous technological impact. Herein, we report the VOC sensing performance of porous flower-like NiO to 3-methyl-1-butanol (3M1B), a microbial VOC that can be used as a food spoilage marker. Our results show that the NiO-based sensor has high sensitivity and selectivity to 3M1B compared to the other VOCs, including acetone, ethanol, butanone, 2-nonanone, and m-xylene. Moreover, we show that NiO exhibits a high response to 3M1B with fast response times under humidity conditions, being a promising material for real applications.

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Chemoresistive, Gas sensor, Microbial volatile organic compounds, α-Nickel hydroxide

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Materials Letters, v. 333.

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