通过溶剂热法(无水乙醇)制备了Cu2+(0～6mol％)掺杂ZnO纳米棒粉体,采用X射线衍射仪和扫描电镜对掺杂ZnO纳米粉体的晶体结构和微观形貌进行了表征.研究了Cu2+掺杂比例、溶剂热反应温度及时间对材料气敏性能的影响;考察ZnO(120℃,10 h)和3mol％ Cu2+掺杂ZnO(120℃,10h)粉体对应元件对甲醛、乙酸、甲苯、乙醇、丙酮、三甲胺等六种气体的气敏性能.结果表明:通过溶剂热法制备的ZnO粉体为纳米棒状结构,棒长度和直径随Cu2+掺杂比例不同发生变化;3mo1％ Cu2+掺杂ZnO(120℃,10 h)样品对应元件对低浓度乙醇有很好的选择性,在395℃工作温度下对1×10-3乙醇的灵敏度为380,5,响应和脱附时间分别为5s和40 s,对1×10 6乙醇的灵敏度可达4.2.
参考文献
| [1] | ZHENG Kai-Bo,LI Jing-Lei,SHEN Hao-Ting,et al.Gas sensing properties of single ZnO nanowire at room temperature.Acta Physico-Chimica Sinica,2008,24(6):1080-1084. |
| [2] | GE Wen,GE Xiu-tao,WANG Ding,et al.Preparation of ZnO gas-sensing material by nucleation/crystallization separation method.Electronic Components and Materials,2009,28(7):20-23. |
| [3] | GUI Yang-hai,ZHANG Yong,WANG Huan-xin,et al.Study on gas sensing properties of gas sensor enhanced by light at room temperature.Electronic Components and Materials,2008,27(2):13-15. |
| [4] | XU Jia-Qiang,WANG Huan-Xin,ZHANG Jian-Rong,et al.Preparation and gas-sensing properties of zinc oxide nano-powders by microwave hydrolysis.Journal of Inorganic Materials,2004,19(6):1141-1145. |
| [5] | GUI Yang-Hai,LI Shu-mian,XU Jia-Qiang,et al.Study on gas sensing properties of Al-doped nano-sized ZnO prepared by solvothermal synthesis.New Chemical Materials,2009,37(1):81-83. |
| [6] | Calestani D,Zha M,Mosca R,et al.Growth of ZnO tetrapods for nanostructure-based gas sensors.Sensors and Actuators B:Chemical,2010,144(2):472-478. |
| [7] | Ko Seung Hwan,Lee Daeho,Kang Hyun Wook,et al.Nanoforest of hydrothermally grown hierarchical ZnO nanowires for a high efficiency dye-sensitized solar ceil.Nano Letters,2011,11(2):666-671. |
| [8] | Pradhan Debabrata,Niroui Farnaz,Leung K T.High-performance,flexible enzymatic glucose biosensor based on ZnO nanowires supported on a gold-coated polyester substrate.Applied Materials & Interfaces,2010,2(8):2409-2412. |
| [9] | Thierry Pauporté,Daniel Lincot.Electrodeposition of semiconductors for optoelectronic devices:results on zinc oxide.Electrochimica Acta,2000,45(20):3345-3353. |
| [10] | LIU Rong Li,XIANG Qun,PAN Qing Yi,et al.Hytrothermal synthesis and gas sensitivity of one-dimensional ZnO.Journal of Inorganic Materials,2006,21(4):793-796. |
| [11] | WANG Huan-Xin,SUN Xiao-Li,SONG Yan-Liang,et al.One-step microwave synthesis of ZnO nanorods and its gas sensitivity.Journal of Functional Materials and Devices,2010,16(3):238-242. |
| [12] | CHU Xiang-Feng,ZHOU Su-Mei,DONG Yong-Ping,et al.Trimethylamine gas sensor based on Cr3+ doped ZnO nanorods/nanoparticles prepared via solvothermal method.Materials Chemistry and Physics,2011,131(1/2):27-31. |
| [13] | HAN Ning,TIAN Ya-Jun,WU Xiao-Feng,et al.Improving humidity selectivity in formaldehyde gas sensing by a two-sensor array made of Ga-doped ZnO.Sensors and Actuators B:Chemical,2009,138(1):228-235. |
| [14] | Theerapong Santhaveesuk,Duangmanee Wongratanaphisan,Supab Choopun.Enhancement of sensor response by TiO2 mixing and Au coating on ZnO tetrapod sensor.Sensors and Actuators B:Chemical,2010,147(2):502-507. |
| [15] | FENG Xun,LIU Si-Yin,CHEN Rui-Zhi,et al.Preparation and gas-sensitiv ity of ultra-fine Nd-doped zinc-oxide powders.Journal of Xinyang Normal University,2007,20(1):70-73. |
| [16] | ZHANG Jun,WANG Shu-Rong,XU Mi-Juan,et al.Hierarchically Porous ZnO architectures for gas sensor application.Crystal Growth & Design,2009,9(8):3532-3537. |
| [17] | XU Jia-Qiang,HAN Jian-Jun,ZHANG Yuan,et al.Studies on alcohol sensing mechanism of ZnO based gas sensors.Sensors and Actuators B:Chemical,2008,132(1):334-339. |
| [18] | SUN Yan-Gang,CHEN Zhi-Gang.Study on preparation and gas sensing property of microsphere-like ZnO nanopowder.Electronic Components and Materials,2010,29(6):1-3. |
| [19] | CHU Xiang-Feng,ZHU Xiao-Hua,DONG Yong-Ping,et al.Acetone sensors based on La3+ doped ZnO nano-rods prepared by solvothermal method.Journal of Materials Sciences and Technology,2011,28(3):200-204. |
| [20] | CHU De-Wei,ZENG Yu-Ping,JIANG Dong-Liang.Synthesis and growth mechanism of Cr-doped ZnO single-crystalline nanowires.Solid State Communications,2007,143(6/7):308-312. |
| [21] | XUE Tian-Feng,HU Ji-Fan,QIN Hong-Wei,et al.Sensing properties of the ZnO based composite oxide (Al,Sb)/ZnO to C2H5OH gas.Rare Metal Materials and Engineering,2004,33(9):1006-1008. |
| [22] | JI Li,YANG Jing,LI Jian.Effects of CeO2 doping on gas sensing properties of ZnO thin films.Transducer and Microsystem Technologies,2011,30(7):60-63. |
| [23] | LIU Bin-Bin,SU Zhi-Bin,XIN You-Fei,et al.Gas sensitivity of doped SnO2 thin films to ethanol.Journal of Functional Materials and Devices,2011,17(3):293-206. |
| [24] | SHEN Ru-Juan,JIA Dian-Zeng,QIAO Yong-Min,et al.Solid state synthesis and gas sensing properties of nanometer ZnO.Journal of Inorganic Materials,2001,16(4):625-629. |
| [25] | WANG Xiao-Bing,KOU Yu-Peng,LIANG Hui-Jun,et al.Study on the gas-sensing properties of CuO-doped nanometer SnO2.Electronic Components and Materials,2008,27(2):16-18. |
| [26] | HU Ying,ZHOU Xiao-Hua,WEI Hong-Jun.Study of sensing mechanisms for CuO-ZnO heterojunction semiconductor ceramics.Journal of Functional Materials and Devices,2000,6(4):408-412. |
| [27] | FAN Hui-Tao,ZENG Yi,YANG Hai-Bin,et al.Preparation and gas sensitive properties of ZnO-CuO nanocomposites.Acta Physico-Chimica Sinica,2008,24(7):1292-1296. |
| [28] | FAN Wen-Yu,LI Xiao-Chao,WANG Li,et al.Preparation of CuO-SnO2 gas sensor and its sensitive effect.Journal of Petrochemical University,2011,24(2):18-21. |
| [29] | DU Ming-Gui,LU Hui,ZHOU Kang-Fu,et al.Gas sensitivity mechanism of nanometer particle ZnO thin films.Journal of East China University of Science and Technology,2008,34(3):457-460. |
| [30] | TIAN Ye,PAN Guo-Feng,YANG Rui-Xia.Preparation and gas sensing property studies of Al2O3 doped ZnO nanopowder.Instrument Technique and Sensor,2011 (3):11-14. |
| [31] | PENG Chao-Cai,LIU Hong-Jiang,XU Jia-Qiang,et al."Green" hydrothermal synthesis and gas sensitive property of rod-like ZnO.Electronic Components and Materials,2008,27(12):27-29. |
| [32] | HUO Yong-Qian,WANG Xiao,WANG Dan-Jun,et al.Preparation and gas sensing properties of flower-like and tetrapod-like zinc oxide by combustion technology.Journal of Functional Materials,2011,42(24):484-491. |
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%