Cubic-phase WO3 nanoplates - Facile synthesis and excellent NO2 gas sensitivity

被引：1

作者：

Do, Dang Trung ^{[1
]}

Nguyen, Do Y. Nhi ^{[2
]}

Tran, Thi Thu Hang ^{[3
]}

Nguyen, Cong Tu ^{[2
]}

Nguyen, Van Hieu ^{[4
]}

机构：

[1] Univ Fire Fighting & Prevent, Dept Fundamental Fire Fighting & Prevent, Hanoi, Vietnam

[2] Hanoi Univ Sci & Technol, Fac Engn Phys, Hanoi, Vietnam

[3] Hanoi Univ Sci & Technol, Sch Mech Engn, Heat Engn Dept, Hanoi, Vietnam

[4] PHENIKAA Univ, Fac Elect & Elect Engn, Hanoi, Vietnam

来源：

MATERIALS LETTERS | 2025年 / 389卷

关键词：

NO 2 gas sensor; Nanoplates; Spray drying; Acid precipitation method;

D O I：

10.1016/j.matlet.2025.138382

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, cubic-phase WO3 nanostructures were prepared from WO3 center dot nH2O nanoplates through a facile calcination in closed oven for NO2 gas sensor applications. Where WO3 center dot H2O nanoplates were synthesized using an energy-efficient acid precipitation method combined with a time-saving spray drying technique. The sensor based on cubic WO3 nanoplates exhibited a high response of 170 toward 5 ppm NO2 at 150 degrees C, which is excellent in comparison with other phases of WO3 nanomaterials. This study provides a novel method for fabricating cubic phase WO3 nanostructures, demonstrating high potential for NO2 gas monitoring applications.

引用

页数：4

共 18 条

[1] Strategy and Future Prospects to Develop Room-Temperature-Recoverable NO2 Gas Sensor Based on Two-Dimensional Molybdenum Disulfide [J].

Agrawal, Abhay V. ;

Kumar, Naveen ;

Kumar, Mukesh .

NANO-MICRO LETTERS, 2021, 13 (01)

[2] Facile synthesis of hierarchical carpet-like WO3 microflowers for high NO2 gas sensing performance [J].

Han, Lifeng ;

Chen, Junli ;

Zhang, Yonghui ;

Liu, Yingliang ;

Zhang, Li ;

Cao, Shaokui .

MATERIALS LETTERS, 2018, 210 :8-11

[3] Room temperature NO 2 gas sensor using h-WO 3 nanorod based thin films [J].

Kandhare, Nilima ;

Mathe, V. L. ;

Bhagwat, Sunita .

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 2024, 305

[4] Effect of noble metal element on microstructure and NO2 sensing properties of WO3 nanoplates prepared from a low-grade scheelite concentrate [J].

Li, Tingting ;

Shen, Yanbai ;

Zhong, Xiangxi ;

Zhao, Sikai ;

Li, Guodong ;

Cui, Baoyu ;

Wei, Dezhou ;

Wei, Kefeng .

JOURNAL OF ALLOYS AND COMPOUNDS, 2020, 818

[5] Drying droplet as a template for solid formation: A review [J].

Lima, R. de Souza ;

Re, M. -I. ;

Arlabosse, P. .

POWDER TECHNOLOGY, 2020, 359 :161-171

[6] Effects of acidity on the formation and adsorption activity of tungsten oxide nanostructures prepared via the acid precipitation method [J].

Ngoc Linh Pham ;

Thi Lan Anh Luu ;

Huu Lam Nguyen ;

Cong Tu Nguyen .

MATERIALS CHEMISTRY AND PHYSICS, 2021, 272

[7]

Pham N. L., 2022, Commun. Phys, V32, P307

[8] Low-temperature and highly enhanced NO2 sensing performance of Au-functionalized WO3 microspheres with a hierarchical nanostructure [J].

Shen, Yanbai ;

Bi, Hongshan ;

Li, Tingting ;

Zhong, Xiangxi ;

Chen, Xiangxiang ;

Fan, Anfeng ;

Wei, Dezhou .

APPLIED SURFACE SCIENCE, 2018, 434 :922-931

[9]

Shendage S.S., 2017, B Chem., V240, P426

[10] Inkjet-printed Pt/WO3 thin film sensor for ppb-level ammonia detection [J].

Tan, Yuming ;

Tang, Pinghua ;

Zhang, Yong .

CERAMICS INTERNATIONAL, 2024, 50 (05) :8318-8324

← 1 2 →