Wireless Gas Sensor Based on the Mesoporous ZnO–SnO₂ Heterostructure Enables Ultrasensitive and Rapid Detection of 3-Methylbutyraldehyde

ACS Sensors, Год журнала: 2024, Номер 9(5), С. 2585 - 2595

Опубликована: Апрель 20, 2024

Achieving ultrasensitive and rapid detection of 3-methylbutyraldehyde is crucial for monitoring chemical intermediate leakage in pharmaceutical industries as well diagnosing ventilator-associated pneumonia by exhaled gas. However, developing a sensitive method detecting poses challenges. Herein, wireless chemiresistive gas sensor based on mesoporous ZnO–SnO2 heterostructure fabricated to enable the first time. The exhibits uniform spherical shape (∼79 nm diameter), high specific surface area (54.8 m2 g–1), small crystal size (∼4 nm), large pore (6.7 nm). demonstrates response (18.98@20 ppm), short response/recovery times (13/13 s), low limit (0.48 ppm) toward 3-methylbutyraldehyde. Furthermore, real-time system developed utilizing microelectromechanical systems sensors. modification amorphous ZnO SnO2 wall can effectively increase chemisorbed oxygen content thickness electron depletion layer at gas–solid interface, which facilitates interface redox reaction enhances sensing performance. This work presents an initial example semiconductor metal oxide sensors efficient that holds great potential ensuring safety during production disease diagnosis.

Язык: Английский

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Oxygen vacancies induced by lanthanum-doped indium oxide nanofibers for promoted temperature-dependent triethylamine and formaldehyde sensing

Journal of Hazardous Materials, Год журнала: 2023, Номер 465, С. 133148 - 133148

Опубликована: Дек. 1, 2023

Язык: Английский

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Cobalt-doping-induced energy level and oxygen vacancy dual modulation in tin dioxide for efficient triethylamine detection

Sensors and Actuators B Chemical, Год журнала: 2024, Номер 415, С. 135998 - 135998

Опубликована: Май 17, 2024

Язык: Английский

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Enhanced response for triethylamine detection by NiCo2O4-In2O3 composites gas sensor

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 161378 - 161378

Опубликована: Март 1, 2025

Язык: Английский

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Synergistic sensitization effects of single-atom gold and cerium dopants on mesoporous SnO₂ nanospheres for enhanced volatile sulfur compound sensing

Materials Horizons, Год журнала: 2024, Номер 11(13), С. 3038 - 3047

Опубликована: Янв. 1, 2024

A concept of synergistic sensitization effects involving single-atom Au and Ce dopants on mesoporous SnO 2 nanospheres is proposed for ultrasensitive real-time monitoring ppb-level volatile sulfur compounds.

Язык: Английский

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Investigation on Oxygen Vacancy Regulation Mechanism of ZnO Gas Sensors under Temperature Modulation Mode to Distinguish Alcohol Homologue Gases

Sensors and Actuators B Chemical, Год журнала: 2024, Номер 423, С. 136747 - 136747

Опубликована: Окт. 6, 2024

Язык: Английский

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Confining isolated Pt atoms into the porous SnO2 for efficient gas sensing

Ceramics International, Год журнала: 2024, Номер 50(13), С. 22220 - 22231

Опубликована: Янв. 5, 2024

Язык: Английский

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Synergy of W doping and oxygen vacancy engineering on d-band center modulation for enhanced gas sensing performance

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(8), С. 4770 - 4781

Опубликована: Янв. 1, 2024

W doping and vacancy engineering allowed the control of d-band center material improved gas sensing performance.

Язык: Английский

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Electrospun nylon/Ag@ZIF-8 nanofibers for robust SERS detection of gaseous molecules assisted by deep learning

Microchemical Journal, Год журнала: 2025, Номер unknown, С. 113007 - 113007

Опубликована: Фев. 1, 2025

Язык: Английский

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The multiple sensitization effects in La-doped In2O3 porous nanotubes enabling highly sensitive and selective detection of formaldehyde at low temperature

Journal of Alloys and Compounds, Год журнала: 2025, Номер unknown, С. 179741 - 179741

Опубликована: Март 1, 2025

Язык: Английский

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