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Ultrasensitive Chemiresistive Gas Sensors Based on Dual-Mesoporous zinc stannate Composites for Room Temperature Rice Quality Monitoring

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Nano-Micro Letters 2025年第5期17卷 359-373页

作者： Jinyong Xu Xuxiong Fan Kaichun Xu Kaidi Wu Hanlin Liao Chao Zhang College of Mechanical Engineering Yangzhou UniversityYangzhou 225127People’s Republic of China ICB UMR 6303 CNRSUniv.Bourgogne Franche-ComtéUTBM90010 BelfortFrance

The integration of dual-mesoporous structures,the construction of heterojunctions,and the incorporation of highly concentrated oxygen vacancies are pivotal for advancing metal oxide-based gas ***,achieving an optimal design that simultaneously combines mesoporous structures,precise heterojunction modulation,and controlled oxygen vacancies through a one-step process remains *** study proposes an innovative method for fabricating zinc stannate semiconductors featuring dual-mesoporous structures and tunable oxygen vacancies via a direct solution precursor plasma spray *** a proof of concept,the resulting zinc stannate-based coatings are applied to detect 2-undecanone,a key biomarker for rice ***,the zinc oxide/zinc stannate heterojunctions with a well-defined secondary pore structure exhibit exceptional gas-sensing performance for 2-undecanone at room ***,practical experiments indicate that the developed sensor effectively identifies adulteration in various rice *** results underscore the potential of this method for designing metal oxides with tailored properties for high-performance gas *** enhanced adsorption capacity and dual-mesoporous features of this semiconductor make it a promising candidate for sensing applications in agricultural food safety inspections.

关键词： zinc stannate Semiconductors Dual-mesoporous structure Gas sensor Biomarker sensing

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zinc stannate Nanostructures for Energy Conversion

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Chinese Journal of Chemistry 2021年第2期39卷 367-380页

作者： Jie Dou Qi Chen Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications Experimental Center of Advanced MaterialsSchool of Materials Science&EngineeringBeijing Institute of TechnologyBeijing100081 China Beijing Institute of Technology Chongqing Innovation Center Chongqing 4004100Beijing100081 China

To date,ternary metal oxide semiconductor materials have attracted extensive attention worldwide due to their unique optoelectronic *** a classical ternary oxide,Zn2SnO4 is featured with the high electron mobility,wide band gap,negligible visible light absorption and tailorable electronic band ***,it is an ideal material for practical use in solar cells,lithium batteries,sensors,and *** this review,we summarize the recent research progress of this material with the focus on the synthesis methods,nanostructures,and the resulting effects on the crystal structure,optical properties,and photoelectrochemical ***,their potential applications in different devices are highlighted and carefully discussed.

关键词： zinc stannate Synthesis design Nanostructures Applications Energy conversion

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Effect of Microwave Power on the Zn2SnO4 Synthesis and Its Use for Photodegradation of Phenol

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Journal of Chemistry and Chemical Engineering 2014年第8期8卷 794-799页

作者： Edson Luiz Foletto Marcio Antonio Mazutti Adriano Cancelier Erico Marion de Moraes Flores Edson Irineu Muller Leticia Severo Fagundes Pereira Osvaldo Chiavone-Filho Andre Gundel Department of Chemical Engineering Federal University of Santa Maria Santa Maria 97105-900 Brazil Department of Chemistry. Federal University of Santa Maria Santa Maria 97105-900 Brazil Department of Chemical Engineering Federal University of Rio Grande do Norte Natal 59066-800 Brazil Department of Physics Federal University of Pampa Bage 96413-170 Brazil

Spinel structure Zn2SnO4 was successfully synthesized by microwave-assisted hydrothermal process. The effects of the microwave power on the formation and physical properties of the Zn2SnO4 particles are discussed. The products were characterized by X-ray diffraction, atomic force microscopy, infrared spectroscopy, and N2 adsorption. The results indicated that the microwave power had important influence on the formation of the spinel phase. The results also revealed that the physical properties of Zn2SnO4 particles did not change with the increase of the microwave power above 600 W, with 20 min of reaction time. Furthermore, the photocatalytic activity of the Zn2SnO4 particles for the phenol degradation under sunlight was also investigated.

关键词： Zn2SnO4 zinc stannate synthesis microwave porous material photocatalysis.

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