Fig. 1.
(a) The UV–vis spectrum of the aqueous dispersion of Au NPs and (b) XRD pattern of the Au NPs thus obtained.
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| Citation: |
Wenchao Wang, Ye Ji, Yong Zhang, Ziying Wang, Tong Zhang. Green preparation of Au nanoparticles for electrochemical detection of H2O2[J]. Journal of Semiconductors, 2016, 37(1): 013003. doi: 10.1088/1674-4926/37/1/013003
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W C Wang, Y Ji, Y Zhang, Z Y Wang, T Zhang. Green preparation of Au nanoparticles for electrochemical detection of H2O2[J]. J. Semicond., 2016, 37(1): 013003. doi: 10.1088/1674-4926/37/1/013003.
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Green preparation of Au nanoparticles for electrochemical detection of H2O2
DOI: 10.1088/1674-4926/37/1/013003
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Abstract
A simple and green method for preparation of Au nanoparticles by reduction of HAuCl4 using carbon nanodots as the reducing agent is reported. The carbon nanodots were prepared by a green method as well, using hydrothermal treatment of grass. It is observed that Au nanoparticles show obvious electrochemical catalytic ability for reduction of hydrogen peroxide, leading to its application of a high-performance non-enzymatic hydrogen peroxide sensor. The hydrogen peroxide sensor based on Au nanoparticles was made, with the detection limit at 23 μ M and linear range between 0.1-160 mM. -
References
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