A ternary nanocomposite electrode of polyoxometalate/carbon nanotubes/gold nanoparticles for electrochemical detection of hydrogen peroxide
Literature Information
Publication Date
2014-11-07
DOI
10.1039/C4AN01734J
Impact Factor
4.616
Authors
Shuyue Guo, Lin Xu, Bingbing Xu, Zhixia Sun, Lihao Wang
View Original
Abstract
In this work, a nanocomposite film electrode containing polyoxometalate (POM) clusters K6P2W18O62 (P2W18), carbon nanotubes (CNTs) and Au nanoparticles (AuNPs) was fabricated by a smart combination of layer-by-layer (LbL) with the self-assembly technique. The synergistic effect of POM, CNTs and AuNPs on the electrocatalysis of H2O2 was investigated to improve the sensitivity of H2O2 detection. The response of (P2W18/CNTs/P2W18/AuNPs)4 electrodes to H2O2 was remarkably enhanced due to large active sites and good electron conducting ability. The sensor exhibited a quick response (less than 1 second) to H2O2 with a high sensitivity (596.1 μAm M−1 cm−2), and a low detection limit (52 nM). Based on the respective advantages of POMs, CNTs and AuNPs, the nanocomposite multilayer POMs/CNTs/POMs/AuNPs will have special properties and high potential for application.
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Source Journal
Analyst
CiteScore:
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Self-citation Rate:
5.6%
Articles per Year:
653
Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
Recommended Compounds
1,3-Bis(trimethylsilyl)-2lambda~4~-diazathia-1,2-diene
CAS Number:
18156-25-7
Molecular Formula:
C6H18N2SSi2
![3-({2-[(2R,4S)-4-Fluoro-2-methyl-1-pyrrolidinyl]-2-oxoethyl}amino)-3-methyl-1-(1-pyrrolidinyl)-1-butanone structure](https://static.chemtradehub.com/structs/118/1186426-66-3-b2e9.webp "3-({2-[(2R,4S)-4-Fluoro-2-methyl-1-pyrrolidinyl]-2-oxoethyl}amino)-3-methyl-1-(1-pyrrolidinyl)-1-butanone structure")
3-({2-[(2R,4S)-4-Fluoro-2-methyl-1-pyrrolidinyl]-2-oxoethyl}amino)-3-methyl-1-(1-pyrrolidinyl)-1-butanone
CAS Number:
1186426-66-3
Molecular Formula:
C16H28FN3O2
![2-benzyl-2,6-diazaspiro[3.3]heptane structure](https://static.chemtradehub.com/structs/119/1194508-28-5-ef9e.webp "2-benzyl-2,6-diazaspiro[3.3]heptane structure")
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