汪維維等
摘 要 實驗以聚乙烯亞胺(PEI)功能化的多壁碳納米管
1 引 言
過氧化氫
4 結(jié) 論
References
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27 Bu C, Li, X, Zhang Y, Li L, Zhou X, Lu X. Colloid. Surface. B., 2011, 88(1): 292-296
28 Yogeswaran U, Thiagarajan S, Chen S M. Anal. Biochem., 2007, 365(1): 122-131
29 Zeng J, Wei W, Wu L, Liu X, Liu K, Li Y. J. Electroanal. Chem., 2006, 595(2): 152-160
30 Fang Y, Zhang D, Qin X, Miao Z, Takahashi S, Anzai J I, Chen Q. Electrochim. Acta, 2012, 70: 266-271
31 Hall S B, Khudaish E A, Hart A L. Electrochim. Acta., 1997, 43(5): 579-588
32 Guascito M R, Filippo E, Malitesta C, Manno D, Serra A, Turco A. Biosens. Bioelectron., 2008, 24(4): 1057-1063
33 Li Y, Zhang J J, Xuan J, Jiang L P, Zhu J J. Electrochem. Commun., 2010, 12(6): 777-780
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A Hydrogen Peroxide Sensor Based on Pt@Au Nanoparticles
Loading to Polyethyleneimine Functionalized Carbon Nanotubes
WANG WeiWei, QIU Yu, ZHANG ShaoPeng, LI JiaWei, LU XiaoQuan, LIU XiuHui*
(Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province,
College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China)
Abstract A novel hydrogen peroxide sensor was fabricated by the seedmediated growth method. First, polyethyleneimine(PEI) functionalized multiwalled carbon nanotubes(MWNTs)were used as growth scaffold on the glass carbon electrode (GCE). Then, Au nanoparticles were electrodeposited uniformly as seeds. Finally, Pt nanoparticles (PtNPs) grew on Au nanoparticles to form Pt@Au coreshell structure nanocomposite. A new type of electrochemical sensor based on Pt@Au/PEIMWNTs nanocomposites for detection of hydrogen peroxide was developed, and the designed Pt@Au/PEIMWNTs/GCE was characterized by electrochemical methods and field emission scanning electron microscopy (FESEM). The Differential pulse experimental results showed that the modified electrode exhibited excellent electrocatalytic activity towards the reduction of H2O2 with the wide linear range from 9.2×1
張玉峰, 謝雙顯, 陳遠江. 表面技術(shù), 2007, 36(5): 15-17
26 Yu H, Jian X, Jin J, Wang F, Wang Y, Qi G c. J. Electroanal. Chem., 2013, 700(1): 47-53
27 Bu C, Li, X, Zhang Y, Li L, Zhou X, Lu X. Colloid. Surface. B., 2011, 88(1): 292-296
28 Yogeswaran U, Thiagarajan S, Chen S M. Anal. Biochem., 2007, 365(1): 122-131
29 Zeng J, Wei W, Wu L, Liu X, Liu K, Li Y. J. Electroanal. Chem., 2006, 595(2): 152-160
30 Fang Y, Zhang D, Qin X, Miao Z, Takahashi S, Anzai J I, Chen Q. Electrochim. Acta, 2012, 70: 266-271
31 Hall S B, Khudaish E A, Hart A L. Electrochim. Acta., 1997, 43(5): 579-588
32 Guascito M R, Filippo E, Malitesta C, Manno D, Serra A, Turco A. Biosens. Bioelectron., 2008, 24(4): 1057-1063
33 Li Y, Zhang J J, Xuan J, Jiang L P, Zhu J J. Electrochem. Commun., 2010, 12(6): 777-780
34 Zhou K, Zhu Y, Yang X, Luo J, L C, Luan S. Electrochim. Acta, 2010, 55(9): 3055-3060
35 Wei N, Xin X, Du J, Li J. Biosens. Bioelectron., 2011, 26(8): 3602-3607
36 Li Y, Lu Q, Wu S, Wang L, Shi X. Biosens. Bioelectron., 2013, 41(15): 576-581
A Hydrogen Peroxide Sensor Based on Pt@Au Nanoparticles
Loading to Polyethyleneimine Functionalized Carbon Nanotubes
WANG WeiWei, QIU Yu, ZHANG ShaoPeng, LI JiaWei, LU XiaoQuan, LIU XiuHui*
(Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province,
College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China)
Abstract A novel hydrogen peroxide sensor was fabricated by the seedmediated growth method. First, polyethyleneimine(PEI) functionalized multiwalled carbon nanotubes(MWNTs)were used as growth scaffold on the glass carbon electrode (GCE). Then, Au nanoparticles were electrodeposited uniformly as seeds. Finally, Pt nanoparticles (PtNPs) grew on Au nanoparticles to form Pt@Au coreshell structure nanocomposite. A new type of electrochemical sensor based on Pt@Au/PEIMWNTs nanocomposites for detection of hydrogen peroxide was developed, and the designed Pt@Au/PEIMWNTs/GCE was characterized by electrochemical methods and field emission scanning electron microscopy (FESEM). The Differential pulse experimental results showed that the modified electrode exhibited excellent electrocatalytic activity towards the reduction of H2O2 with the wide linear range from 9.2×1
張玉峰, 謝雙顯, 陳遠江. 表面技術(shù), 2007, 36(5): 15-17
26 Yu H, Jian X, Jin J, Wang F, Wang Y, Qi G c. J. Electroanal. Chem., 2013, 700(1): 47-53
27 Bu C, Li, X, Zhang Y, Li L, Zhou X, Lu X. Colloid. Surface. B., 2011, 88(1): 292-296
28 Yogeswaran U, Thiagarajan S, Chen S M. Anal. Biochem., 2007, 365(1): 122-131
29 Zeng J, Wei W, Wu L, Liu X, Liu K, Li Y. J. Electroanal. Chem., 2006, 595(2): 152-160
30 Fang Y, Zhang D, Qin X, Miao Z, Takahashi S, Anzai J I, Chen Q. Electrochim. Acta, 2012, 70: 266-271
31 Hall S B, Khudaish E A, Hart A L. Electrochim. Acta., 1997, 43(5): 579-588
32 Guascito M R, Filippo E, Malitesta C, Manno D, Serra A, Turco A. Biosens. Bioelectron., 2008, 24(4): 1057-1063
33 Li Y, Zhang J J, Xuan J, Jiang L P, Zhu J J. Electrochem. Commun., 2010, 12(6): 777-780
34 Zhou K, Zhu Y, Yang X, Luo J, L C, Luan S. Electrochim. Acta, 2010, 55(9): 3055-3060
35 Wei N, Xin X, Du J, Li J. Biosens. Bioelectron., 2011, 26(8): 3602-3607
36 Li Y, Lu Q, Wu S, Wang L, Shi X. Biosens. Bioelectron., 2013, 41(15): 576-581
A Hydrogen Peroxide Sensor Based on Pt@Au Nanoparticles
Loading to Polyethyleneimine Functionalized Carbon Nanotubes
WANG WeiWei, QIU Yu, ZHANG ShaoPeng, LI JiaWei, LU XiaoQuan, LIU XiuHui*
(Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province,
College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China)
Abstract A novel hydrogen peroxide sensor was fabricated by the seedmediated growth method. First, polyethyleneimine(PEI) functionalized multiwalled carbon nanotubes(MWNTs)were used as growth scaffold on the glass carbon electrode (GCE). Then, Au nanoparticles were electrodeposited uniformly as seeds. Finally, Pt nanoparticles (PtNPs) grew on Au nanoparticles to form Pt@Au coreshell structure nanocomposite. A new type of electrochemical sensor based on Pt@Au/PEIMWNTs nanocomposites for detection of hydrogen peroxide was developed, and the designed Pt@Au/PEIMWNTs/GCE was characterized by electrochemical methods and field emission scanning electron microscopy (FESEM). The Differential pulse experimental results showed that the modified electrode exhibited excellent electrocatalytic activity towards the reduction of H2O2 with the wide linear range from 9.2×1