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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la100575g
|2 doi
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|a pubmed24n0653.xml
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|a (NLM)20232834
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Fang, Youxing
|e verfasserin
|4 aut
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|a Self-assembly of cationic polyelectrolyte-functionalized graphene nanosheets and gold nanoparticles
|b a two-dimensional heterostructure for hydrogen peroxide sensing
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 30.09.2010
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|a Date Revised 30.06.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We demonstrate the use of cationic polyelectrolyte poly(diallyldimethyl ammonium chloride) (PDDA) functionalized graphene nanosheets (GNs) as the building block in the self-assembly of GNs/Au nanoparticles (NPs) heterostructure to enhance the electrochemical catalytic ability. To ensure the GNs were modified with PDDA successfully, we study the PDDA/GNs with atomic force microscopy (AFM) and zeta potential measurements on the roughness and zeta potential changes relative to those of unmodified GNs, respectively. Then, the citrate-capped Au NPs are employed as the other model particles to construct two-dimensional GNs/NPs heterostructure. Here, the use of PDDA modifiers not only alters the electrostatic charges of graphene, but also probably provides a convenient self-assembly approach to the hybridization of graphene. Furthermore, we employ the high-loading Au NPs on graphene (GN/Au-NPs) as the electrochemical enhanced material for H(2)O(2) sensing (as the model analyte). The wide linear ranges and low detection limits are obtained using the chronoamperometry technique at the GN/Au-NPs-modified glassy carbon electrode
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|a Journal Article
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1 |
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|a Guo, Shaojun
|e verfasserin
|4 aut
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1 |
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|a Zhu, Chengzhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhai, Yueming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Erkang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 13 vom: 06. Juli, Seite 11277-82
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:26
|g year:2010
|g number:13
|g day:06
|g month:07
|g pages:11277-82
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| 856 |
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|u http://dx.doi.org/10.1021/la100575g
|3 Volltext
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|h 11277-82
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