Solid-state synthesis of Y-doped ZnO nanoparticles with selective-detection gas-sensing performance

详细信息    查看全文

• 作者：Jing Xie ; Yali Cao ; ^{caoyali@xju.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Dianzeng Jia ; ^{jdz@xju.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Yizhao Li ; Yang Wang
• 关键词：D. ZnO ; E. Sensors ; Nanomaterials ; Solid-state synthesis
• 刊名：Ceramics International
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：42
• 期：1
• 页码：90-96
• 全文大小：2223 K

文摘

Y-doped ZnO nanoparticles have been fabricated by simple solid-state chemical reactions and subsequent calcinations. X-ray diffraction (XRD) and energy disperse X-ray spectrum (EDS) indicated that Y element have been successfully doped into the pure bulk ZnO. From the observation of field emission scanning electronic microscopy (FESEM) and transmission electron microscopy (TEM), the Y-doped ZnO nanoparticles have diameters around 20–50 nm. The gas-sensing test indicated that the Y-doped ZnO nanoparticles have higher sensitivity and fast response than the pure ZnO sensor, and the gas sensors based on the Y-doped ZnO nanoparticles exhibit excellent selectivity toward gasoline at 200 °C, while to ethanol at 400 °C. The results showed that the Y-doped ZnO nanoparticles can be used as the sensing materials for the temperature-regulated detectors.