共沉淀法制备的CuGa_2O_4及其气敏性能
|
摘要
采用共沉淀法制备了CuGa_2O_4粉体,采用X射线衍射(XRD)、扫描电镜(SEM)、X射线光电子能谱(XPS)等对CuGa_2O_4粉体进行了表征。研究了热处理温度和pH对CuGa_2O_4粉体气敏性能的影响,实验结果表明热处理温度为800℃,pH=6.00(热处理4h)条件下制备出的CuGa_2O_4粉体,在室温下(18±2)℃对三甲胺(TMA)具有较好的气敏选择性和较高灵敏度,对1 000μL·L~(-1)的TMA的灵敏度达到310.1,响应和恢复时间分别约为590和80 s,对1μL·L~(-1)的TMA的灵敏度可达到1.3。
CuGa_2O_4 powders were prepared by co-precipitation method and characterized by X-ray diffraction(XRD), scanning electron microscope(SEM), X-ray photoelectron spectroscopy(XPS), etc. The effect of heat treatment temperature and pH on the gas sensing properties of CuGa_2O_4 powders was investigated. The results indicated that CuGa_2O_4 powders prepared by calcining at 800 ℃ for 4 h and pH=6.00 exhibited good gas sensing selectivity and high sensitivity to trimethylamine(TMA) at room temperature(18±2) ℃. The responses to 1 000 and 1 μL·L~(-1)TMA reached 310.1 and 1.3, respectively, and the response and recovery times for 1 000 μL·L~(-1)TMA were 590 and 80 s.
CuGa_2O_4 powders were prepared by co-precipitation method and characterized by X-ray diffraction(XRD), scanning electron microscope(SEM), X-ray photoelectron spectroscopy(XPS), etc. The effect of heat treatment temperature and pH on the gas sensing properties of CuGa_2O_4 powders was investigated. The results indicated that CuGa_2O_4 powders prepared by calcining at 800 ℃ for 4 h and pH=6.00 exhibited good gas sensing selectivity and high sensitivity to trimethylamine(TMA) at room temperature(18±2) ℃. The responses to 1 000 and 1 μL·L~(-1)TMA reached 310.1 and 1.3, respectively, and the response and recovery times for 1 000 μL·L~(-1)TMA were 590 and 80 s.
引文
[1]XU Jia-Qiang(徐甲强), LIU Zhao-Hong(刘照红), WANG Huan-Xin(王焕新), et al. Journal of Functional Materials and Devices(功能材料与器件学报), 2004,10(3):387-390
[2]Singh A, Singh A, Singh S, et al. J. Alloys Compd., 2015,618:475-483
[3]Rao P, Godbole R V, Bhagwat S. Mater. Chem. Phys., 2016,171:260-266
[4]Chu X F, Wang J L, Bai L S, et al. Sens. Actuators B, 2018,255:2058-2065
[5]Chen C, Li G, Liu Y. Powder Technol., 2015,281:7-11
[6]Satyanarayana L, Reddy C V G, Manorama S V, et al. Sens.Actuators B, 1998,46(1):1-7
[7]Biswas S K, Sarkar A, Pathak A, et al. Talanta, 2010,81(4):1607-1612
[8]XU Hui-Qing(徐会青), LIU Quan-Jie(刘全杰), JIA Li-Ming(贾立明), et al. CN Pattern, 1951823. 2007-04-25.
[9]Wang S M, Cao J, Cui W, et al. Sens. Actuators B, 2018,255:159-165
[10]Chen H, Li G D, Fan M, et al. Sens. Actuators B, 2017,240:689-696
[11]Chu X F, Wang J L, Bai L S, et al. Mater. Sci. Eng., B,2018,228:45-51
[12]Wang Y L, Liu J, Cui X B, et al. Sens. Actuators B, 2017,238:473-481
[13]Gao L P, Ren F M, Cheng Z X, et al. CrystEngComm, 2015,17(17):3268-3276
[14]Dong C, Liu X, Xiao X, et al. J. Mater. Chem. A, 2014,2(47):20089-20095
[15]Tshabalala Z P, Shingange K, Cummings F R, et al. J. Colloid Interface Sci., 2017,504:371-386
[16]Macak J M, Aldabergerova S, Ghicov A, et al. Phys. Status Solidi, 2010,203(10):R67-R69
[17]Regonini D, Jaroenworaluck A, Stevens R, et al. Surf. Interface Anal., 2010,42(3):139-144
[2]Singh A, Singh A, Singh S, et al. J. Alloys Compd., 2015,618:475-483
[3]Rao P, Godbole R V, Bhagwat S. Mater. Chem. Phys., 2016,171:260-266
[4]Chu X F, Wang J L, Bai L S, et al. Sens. Actuators B, 2018,255:2058-2065
[5]Chen C, Li G, Liu Y. Powder Technol., 2015,281:7-11
[6]Satyanarayana L, Reddy C V G, Manorama S V, et al. Sens.Actuators B, 1998,46(1):1-7
[7]Biswas S K, Sarkar A, Pathak A, et al. Talanta, 2010,81(4):1607-1612
[8]XU Hui-Qing(徐会青), LIU Quan-Jie(刘全杰), JIA Li-Ming(贾立明), et al. CN Pattern, 1951823. 2007-04-25.
[9]Wang S M, Cao J, Cui W, et al. Sens. Actuators B, 2018,255:159-165
[10]Chen H, Li G D, Fan M, et al. Sens. Actuators B, 2017,240:689-696
[11]Chu X F, Wang J L, Bai L S, et al. Mater. Sci. Eng., B,2018,228:45-51
[12]Wang Y L, Liu J, Cui X B, et al. Sens. Actuators B, 2017,238:473-481
[13]Gao L P, Ren F M, Cheng Z X, et al. CrystEngComm, 2015,17(17):3268-3276
[14]Dong C, Liu X, Xiao X, et al. J. Mater. Chem. A, 2014,2(47):20089-20095
[15]Tshabalala Z P, Shingange K, Cummings F R, et al. J. Colloid Interface Sci., 2017,504:371-386
[16]Macak J M, Aldabergerova S, Ghicov A, et al. Phys. Status Solidi, 2010,203(10):R67-R69
[17]Regonini D, Jaroenworaluck A, Stevens R, et al. Surf. Interface Anal., 2010,42(3):139-144