立方相 WO3 纳米板 - 易于合成且对二氧化氮气体具有卓越的敏感性

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-03-10 DOI:10.1016/j.matlet.2025.138382

Dang Trung Do , Do Y Nhi Nguyen , Thi Thu Hang Tran , Cong Tu Nguyen , Van Hieu Nguyen

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

In this study, cubic-phase WO₃ nanostructures were prepared from WO₃·nH2O nanoplates through a facile calcination in closed oven for NO₂ gas sensor applications. Where WO₃·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℃, 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.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive