| 标题 |
 3D Urchin-Like WO3-x Based Nanostructures with Abundant Oxygen Vacancies for ppb-Level Tea Aroma Sensing 具有丰富氧空位的三维海胆状WO3-x基纳米结构用于ppb级茶香传感
相关领域
芳香
氧气
纳米结构
化学
食品科学
化学工程
材料科学
纳米技术
有机化学
工程类
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| 网址 | |
| DOI | |
| 其它 |
Y Cheng, Y Teng, M Zheng, X Zhang, MS Wang, L Gu, Y Rao, X Dai, H Liu, H Jing, K Li Sensors and Actuators B: Chemical, 2024•Elsevier Abstract The development of high-performance tea aroma sensors has great significance for evaluating tea quality and monitoring tea plant pests and diseases. Hence, we fabricate a tea aroma sensor based on tungsten oxide with abundant oxygen vacancies for the rapid response of tea aroma in ppb-level. The tea aroma sensor exhibits a high sensitivity with a value of about 25 and the corresponding response and recovery time are 19 s and 5 s at 275 ℃ for 5 ppm linalool, respectively. It also shows impressive low detection limit with a response value of 2.5 for 150 ppb linalool at 275 ℃. In addition, the WO3-x based tea aroma sensor also shows excellent selectivity, cyclic and long-term stability. |
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