采用水热法制备表面多孔的纳米棒状氧化锌.利用X射线衍射(XRD)、扫描电子显微镜(SEM)对样品的结构和形貌进行表征.以表面多孔的棒状氧化锌作为敏感材料制成旁热式结构的气体传感器,并对样品在不同温度下对乙醇气体的灵敏度进行了测试.结果表明:在280℃下,样品对100×10-6乙醇气体的灵敏度约为27.9,响应恢复时间分别约为3s和10s,此结果约是表面无孔的纳米棒状氧化锌在相同条件下对乙醇气体灵敏度的4.8倍,并且是相同条件下干扰气体中灵敏度最大的丙酮气体的3.1倍,表明该器件具有良好的选择性.
参考文献
| [1] | SUN Z P,LIU L,ZHANG L,et al .Rapid synthesis of ZnO nano rods by one-step,room-tempreature,solid state reaction and their gas sensing properties[J].Nanotechnology,2006,17(9):2266-2270.,2006. |
| [2] | 李赫,王艳花,孙娜波 .水热法制备氧化锌纳米棒及其形貌控制[J].浙江树人大学学报,2012,12(4):12-15.LI He,WANG Yan-hua,SUN Na-bo.ZnO nanorob preparation using hydrothermal method and morphology control[J].Journal of Zhejiang Shuren University,2012,12(4):12-15.,2012. |
| [3] | RAI P,RAJ S,KO K J,et al .Synthesis of flower-like ZnO micro structures for gas sensor applications[J].Sensors and Actuators B:Chemical,2013,178 |
| [4] | QI Q,ZHANG T,LIU L,et al .Selective acetone sensor based on dumbbell-like ZnO with rapid response and recovery[J].Sensors and Actuators B:Chemical,2008,134(1):166-170.,2008. |
| [5] | MA S S,LI R,LV C P,et al .Facile synthesis of ZnO nanorod ar rays and hierarchical nanostructures for photocatalysis and gas sensor applications[J].Journal of Hazardous Materials,2011,192(2):730-740.,2011. |
| [6] | GU C P,LI S S,HUANG J R,et al .Preferential growth of long ZnO nanowires and its application in gas sensor[J].Sensors and ActuatorsB:Chemical,2013,177 |
| [7] | LAM S M,SIN J C,ABDULLAH A Z,et al .Green hydrother mal synthesis of ZnO nanotubes for photocatalytic degradation of methylparaben[J].Materials Letters,2012,93 |
| [8] | WANG H T,WU T .Formation of complex nanostructures drven by polar surfaces[J].Journal of Materials Chemistry,2011,21(39):15095-15099.,2011. |
| [9] | WANG W C,TIAN Y T,WANG X C,et al .Ethanol sensing properties of porous ZnO spheres via hydrothermal route[J].Journal of Materials Science,2013,48(8):3232-3238.,2013. |
| [10] | PRABHAKAR R,SUDARSAN R,KYOUNG J K,et al .Syn thesis of flower-like ZnO microstructures for gas sensor applica tions[J].Sensors and Actuators B:Chemical,2013,178 |
| [11] | 蔡井维 .ZnO纳米结构材料的制备及其缺陷相关的发光性质研究[D].天津理工大学,2011. |
| [12] | SONG P,WANG Q,YANG Z X.Acetone sensing characteris tics of ZnO hollow spheres prepared by one-pot hydrothermal re action[J].Materials Letters,2012,(86):168-170.,2012. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%