聚乙烯亚胺功能化碳纳米管负载铂@金核壳纳米粒子的过氧化氢传感器

2014-07-10 21:25汪维维等
分析化学 2014年6期
关键词:聚乙烯过氧化氢碳纳米管

汪维维等

摘 要 实验以聚乙烯亚胺(PEI)功能化的多壁碳纳米管

1 引 言

过氧化氢

4 结 论

References

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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

张玉峰, 谢双显, 陈远江. 表面技术, 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

张玉峰, 谢双显, 陈远江. 表面技术, 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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