Acetone Sensors Based on La3+ Doped ZnO Nano-rods Prepared by Solvothermal Method

作者：Chu Xiangfeng^*; Zhu Xiaohua; Dong Yongping; Ge Xiutao; Zhang Shouquan; Sun Wenqi

来源：Journal of Materials Science & Technology, 2012, 28(3): 200-204.

DOI：10.1016/s1005-0302(12)60042-5

• ZnO
• Nano-rods
• Gas sensor
• Acetone

La3+ doped ZnO nano-rods with different doping concentration were prepared via solvothermal method. The doped ZnO nano-rods were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The effect of La3+ doping on the gas-sensing properties was investigated. The results revealed that the sensor based on 6 mol% La3+ doped ZnO nano-rods exhibited high response to dilute acetone, and the responses to 0.01 x 10(-6) acetone reached 2.4 when operating at 425 degrees C. The response time and the recovery time for 0.01x10(-6) acetone were only 16 and 3 s, respectively.

• 出版日期2012-3
• 单位滁州学院; 安徽工业大学