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聚乙烯亞胺功能化碳納米管負(fù)載鉑@金核殼納米粒子的過氧化氫傳感器

2014-07-10 21:25:04汪維維等
分析化學(xué) 2014年6期

汪維維等

摘 要 實(shí)驗(yàn)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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王 青, 文利雄, 鄭田苑, 陳建峰. 高校化學(xué)工程學(xué)報(bào), 2006, 20(5): 752-758

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張玉峰, 謝雙顯, 陳遠(yuǎn)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(yuǎn)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(yuǎn)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

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