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Al³⁺掺杂对花状氧化锌微结构形貌和气敏性能的影响（英文）

Effect of Al³⁺ on Synthesis and Gas-Sensing Property of Flowerlike ZnO Nanostructure

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【Author】 HE Jian-Qun1 YIN Jing2 LIU Dong1 ZHANG Le-Xi1 BIE Li-Jian,1,3(1School of Materials Science and Engineering,Tianjin University of Technology,Tianjin 300384,China)(2School of Environmental Science and Safety Engineering,Tianjin University of Technology,Tianjin 300384,China)(3Tianjin Key Lab for Photoelectric Materials & Devices,Tianjin University of Technology,Tianjin 300384,China)

【机构】天津理工大学材料科学与工程学院；天津理工大学环境科学与安全工程学院；天津理工大学光电显示材料与器件天津市重点实验室；

【摘要】利用Zn(NO3)2.6H2O、Al(NO3)3和(CH2)6N4为反应物,PEG400为表面活性剂,通过共沉淀法制备了Al3+掺杂的花状氧化锌纳米棒结构。Al3+掺杂会调控所得氧化物的微结构,提高材料的气敏性能。在350℃工作温度下,掺杂0.3wt%Al3+的花状氧化锌微结构对0.200mL.L-1乙醇的灵敏度达28,响应时间仅12 s。更多还原

【Abstract】 Flowerlike ZnO nanostructure was synthesized via a co-precipitation method by using Zn(NO3)2.6H2O,Al(NO3)3 and(CH2)6N4 as reactants,PEG400 as a surfactant.The obtained ZnO nanostructures can be tuned by the added Al3+ in the above process,resulting in an increase of gas-sensing response.The gas-sensing response of 0.3wt% Al3+-doped ZnO nanostructure reaches 28 to an ethanol concentration of 0.200 mL.L-1,with a response time of only 12 s at the working temperature of 350 ℃.更多还原