标题 | 基于含Ni稀土钙钛矿LaNiTiO3的过氧化氢无酶传感器 |
范文 | 王海燕等 摘 要 合成了一种含Ni的新型稀土钙钛矿纳米氧化物 4 结 论 通过简单方法构建了基于含Ni的稀土钙钛矿纳米材料2的直接电催化反应中,得到了良好结果。 此传感器具有活性高、响应快、线性范围宽、检出限低、灵敏度高、抗干扰能力强和稳定性好等特点,具有潜在的应用价值。 References 1 Auer R, Alifanti M, Delmon B, Thyrion F C. Appl. Catal., B, 2002, 39(4): 311-318 2 Yokoi Y, Uchida H. Catal. today, 1998, 42(12): 167-174 3 Simonsen V L E, Nrskov L, Hagen A, Hansen K K. J Solid State Eelectrochem., 2009, 13: 1529-1534 4 Ghasdi M, Alamdari H, Royer S, Adnot A. Sensors and Actuators B, 2011, 156(1): 147-155 5 Wang Y, Xu Y, Luo L, Ding Y, Liu X. J. Electroanal. Chem., 2010, 642(1): 35-40 6 Shimizu Y, Komatsu H, Michishita S, Miura N, Yamazo N. Sensors and Actuators B, 1996, 34(13): 493-498 7 Magalhes F, Moura F C C, Ardisson J D, Lago R M. Mater. Res., 2008, 11(3): 307-312 8 Pea M A, Fierro J L G. Chem. Rev., 2001, 101(7): 1981-2017 9 Dutta A, Ishihara T, Nishiguchi H. Chem. Mater., 2004, 16(24): 5198-5204 10 Wei C, Yang M, Hu J, Li Q. Anal. 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Acta, 2006, 557(12): 78-84 A Nonenzymatic Sensor for H2O2 Detection Based on Rareearth Perovskite LaNiTiO3 Containing Ni WANG HaiYan1,2, ZHU XiaoLi1, XIN MeiLing1, XU YanHong*1 1(School of Life Sciences, Shanghai University, Shanghai 200444, China) 2(College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China) Abstract A Nibased rareearth perovskite LaNiTiO3 nanoparticles was synthesized and its catalytic activity was investigated. Based on this, a simple and quick nonenzyme electrochemical sensor was fabricated with stable and reliable performances for the determination of hydrogen peroxide (H2O2). The techniques of Xray diffraction, FTIR spectra, transmission electron microscopy, Xray fluorescene spectroscopy and scan electronmicroscope were used to characterize the composition, structure and morphology of assynthesized sample. The sensor based on this nanomaterial was investigated and optimized by cyclic voltammetry and currenttime techniques. The results showed the working electrode modified with LaNiTiO3 (0.5 g/L, 8.0 μL) in 0.1 mol/L NaOH exhibited good catalytic properties for H2O2. Under the optimum conditions, the sensor performed excellent properties, such as quick response time (about 2 s), a wide linearity (0.2 μmol/L -8.0 mmol/L), a low detection limit of 0.05 μmol/L (S/N=3), a high sensitivity of 957 μA (mmol/L 25 Song M J, Hwang S W, Whang D. Talanta, 2010, 80(5): 1648-1652 26 Yao S, Xu J, Wang Y, Chen X, Xu Y, Hu S. Anal. Chim. Acta, 2006, 557(12): 78-84 A Nonenzymatic Sensor for H2O2 Detection Based on Rareearth Perovskite LaNiTiO3 Containing Ni WANG HaiYan1,2, ZHU XiaoLi1, XIN MeiLing1, XU YanHong*1 1(School of Life Sciences, Shanghai University, Shanghai 200444, China) 2(College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China) Abstract A Nibased rareearth perovskite LaNiTiO3 nanoparticles was synthesized and its catalytic activity was investigated. Based on this, a simple and quick nonenzyme electrochemical sensor was fabricated with stable and reliable performances for the determination of hydrogen peroxide (H2O2). The techniques of Xray diffraction, FTIR spectra, transmission electron microscopy, Xray fluorescene spectroscopy and scan electronmicroscope were used to characterize the composition, structure and morphology of assynthesized sample. The sensor based on this nanomaterial was investigated and optimized by cyclic voltammetry and currenttime techniques. The results showed the working electrode modified with LaNiTiO3 (0.5 g/L, 8.0 μL) in 0.1 mol/L NaOH exhibited good catalytic properties for H2O2. Under the optimum conditions, the sensor performed excellent properties, such as quick response time (about 2 s), a wide linearity (0.2 μmol/L -8.0 mmol/L), a low detection limit of 0.05 μmol/L (S/N=3), a high sensitivity of 957 μA (mmol/L 25 Song M J, Hwang S W, Whang D. Talanta, 2010, 80(5): 1648-1652 26 Yao S, Xu J, Wang Y, Chen X, Xu Y, Hu S. Anal. Chim. Acta, 2006, 557(12): 78-84 A Nonenzymatic Sensor for H2O2 Detection Based on Rareearth Perovskite LaNiTiO3 Containing Ni WANG HaiYan1,2, ZHU XiaoLi1, XIN MeiLing1, XU YanHong*1 1(School of Life Sciences, Shanghai University, Shanghai 200444, China) 2(College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China) Abstract A Nibased rareearth perovskite LaNiTiO3 nanoparticles was synthesized and its catalytic activity was investigated. Based on this, a simple and quick nonenzyme electrochemical sensor was fabricated with stable and reliable performances for the determination of hydrogen peroxide (H2O2). The techniques of Xray diffraction, FTIR spectra, transmission electron microscopy, Xray fluorescene spectroscopy and scan electronmicroscope were used to characterize the composition, structure and morphology of assynthesized sample. The sensor based on this nanomaterial was investigated and optimized by cyclic voltammetry and currenttime techniques. The results showed the working electrode modified with LaNiTiO3 (0.5 g/L, 8.0 μL) in 0.1 mol/L NaOH exhibited good catalytic properties for H2O2. Under the optimum conditions, the sensor performed excellent properties, such as quick response time (about 2 s), a wide linearity (0.2 μmol/L -8.0 mmol/L), a low detection limit of 0.05 μmol/L (S/N=3), a high sensitivity of 957 μA (mmol/L |
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