以Zn(NO3)2·6H2O和Ni(NO3)2·6H2O为原料,采用柠檬酸溶胶-凝胶法合成了NiO-ZnO系列复合物.利用X射线衍射仪(XRD)、扫描电镜(SEM)、透射电镜(TEM)等对系列复合物的物相及形貌进行表征,利用静态配气法对其气敏性能进行测试.研究了煅烧温度对复合物乙醇敏感特性的影响.结果表明,600℃下煅烧得到的NiO-ZnO复合物对乙醇在较低的工作温度125℃下具有良好的敏感性能,如对50 ppm乙醇的灵敏度为29.8,响应和恢复时间很短仅为8s和14 s,且对于汽油、丙酮、乙醚等其余7种测试气体有较高的选择性,经1个月的稳定性测试该复合物对乙醇敏感特性基本保持不变.
参考文献
| [1] | Ming-Ru Yu;Gobalakrishnan Suyambrakasam;Ren-Jang Wu;Murthy Chavali .Performance evaluation of ZnO-CuO hetero junction solid state room temperature ethanol sensor[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2012(7):1713-1718. |
| [2] | Wang, L.;Kang, Y.;Liu, X.;Zhang, S.;Huang, W.;Wang, S. .ZnO nanorod gas sensor for ethanol detection[J].Sensors and Actuators, B. Chemical,2012(1):237-243. |
| [3] | Patil, L.A.;Shinde, M.D.;Bari, A.R.;Deo, V.V. .Highly sensitive ethanol sensors based on nanocrystalline SnO_2 thin films[J].Current applied physics: the official journal of the Korean Physical Society,2010(5):1249-1254. |
| [4] | Kwon, Y.;Kim, H.;Lee, S.;Chin, I.-J.;Seong, T.-Y.;Lee, W.I.;Lee, C. .Enhanced ethanol sensing properties of TiO _2 nanotube sensors[J].Sensors and Actuators, B. Chemical,2012(1):441-446. |
| [5] | Xu, X.;Fan, H.;Liu, Y.;Wang, L.;Zhang, T. .Au-loaded In_2O_3 nanofibers-based ethanol micro gas sensor with low power consumption[J].Sensors and Actuators, B. Chemical,2011(1):713-719. |
| [6] | Chu XF;Jiang DL;Yu G;Zheng CM .Ethanol gas sensor based on CoFe2O4 nano-crystallines prepared by hydrothermal method[J].Sensors and Actuators, B. Chemical,2006(1):177-181. |
| [7] | Kim, K.-M.;Kim, H.-R.;Choi, K.-I.;Kim, H.-J.;Lee, J.-H. .ZnO hierarchical nanostructures grown at room temperature and their C _2H_5OH sensor applications[J].Sensors and Actuators, B. Chemical,2011(2):745-751. |
| [8] | Chang, C.M.;Hon, M.H.;Leu, I.C. .Preparation of ZnO nanorod arrays with tailored defect-related characterisitcs and their effect on the ethanol gas sensing performance[J].Sensors and Actuators, B. Chemical,2010(1):15-20. |
| [9] | Hsueh TJ;Hsu CL;Chang SJ;Chen IC .Laterally grown ZnO nanowire ethanol gas sensors[J].Sensors and Actuators, B. Chemical,2007(2):473-477. |
| [10] | Zhang, L.;Zhao, J.;Lu, H.;Li, L.;Zheng, J.;Li, H.;Zhu, Z. .Facile synthesis and ultrahigh ethanol response of hierarchically porous ZnO nanosheets[J].Sensors and Actuators, B. Chemical,2012(1):209-215. |
| [11] | Trinh, T.T.;Tu, N.H.;Le, H.H.;Ryu, K.Y.;Le, K.B.;Pillai, K.;Yi, J. .Improving the ethanol sensing of ZnO nano-particle thin films - The correlation between the grain size and the sensing mechanism[J].Sensors and Actuators, B. Chemical,2011(1):73-81. |
| [12] | Li, Y.-J.;Li, K.-M.;Wang, C.-Y.;Kuo, C.-I.;Chen, L.-J. .Low-temperature electrodeposited Co-doped ZnO nanorods with enhanced ethanol and CO sensing properties[J].Sensors and Actuators, B. Chemical,2012(1):734-739. |
| [13] | Sivalingam, D.;Gopalakrishnan, J.B.;Rayappan, J.B.B..Structural, morphological, electrical and vapour sensing properties of Mn doped nanostructured ZnO thin films[J].Sensors and Actuators, B. Chemical,2012:624-631. |
| [14] | Zhang, J.;Liu, X.;Wu, S.;Cao, B.;Zheng, S. .One-pot synthesis of Au-supported ZnO nanoplates with enhanced gas sensor performance[J].Sensors and Actuators, B. Chemical,2012(1):61-66. |
| [15] | Onkar Singh;Ravi Chand Singh .Enhancement in ethanol sensing response by surface activation of ZnO with SnO_2[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2012(3):557-561. |
| [16] | Xiao-Juan Zhang;Guan-Jun Qiao .High performance ethanol sensing films fabricated from ZnO and In_2O_3 nanofibers with a double-layer structure[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2012(17):6643-6647. |
| [17] | Hemmati, S.;Anaraki Firooz, A.;Khodadadi, A.A.;Mortazavi, Y. .Nanostructured SnO_2-ZnO sensors: Highly sensitive and selective to ethanol[J].Sensors and Actuators, B. Chemical,2011(1):1298-1303. |
| [18] | A. Chrissanthopoulos;S. Baskoutas;N. Bouropoulos;V. Dracopoulos;P. Poulopoulos;S. N. Yannopoulos .Synthesis and characterization of ZnO/NiO p-n heterojunctions: ZnO nanorods grown on NiO thin film by thermal evaporation[J].Photonics and Nanostructures: Fundamentals and Applications,2011(2):132-139. |
| [19] | Jaehyun Moon;Jong-Sook Lee;Jin-Ah Park;Su-Jae Lee;Taehyoung Zyung .Two-dimensional ZnO-NiO macroporous arrays: Fabrication, structure and electrical properties[J].Electrochimica Acta,2010(22):6849-6856. |
| [20] | Xu, L.;Zheng, R.;Liu, S.;Song, J.;Chen, J.;Dong, B.;Song, H. .NiO@ZnO heterostructured nanotubes: Coelectrospinning fabrication, characterization, and highly enhanced gas sensing properties[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2012(14):7733-7740. |
| [21] | 王晓兵,李培,娄向东,冉伟丽,王学锋.In2O3纳米粉体的制备及其气敏性能研究[J].人工晶体学报,2010(04):1002-1007. |
| [22] | Lexi Zhang;Jianghong Zhao;Jianfeng Zheng;Li Li;Zhenping Zhu .Shuttle-like ZnO nano/microrods: Facile synthesis, optical characterization and high formaldehyde sensing properties[J].Applied Surface Science,2011(2):711-718. |
| [23] | 范会涛,曾毅,杨海滨,郑学军,刘丽,张彤.ZnO-CuO纳米复合氧化物的制备及其气敏性能[J].物理化学学报,2008(07):1292-1296. |
| [24] | Chen, Y.;Yu, L.;Feng, D.;Zhuo, M.;Zhang, M.;Zhang, E.;Xu, Z.;Li, Q.;Wang, T..Superior ethanol-sensing properties based on Ni-doped SnO _2 p-n heterojunction hollow spheres[J].Sensors and Actuators, B. Chemical,2012:61-67. |
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%