Facile Fabrication of Hierarchical rGO/PANI@PtNi Nanocomposite via Microwave-Assisted Treatment for Non-Enzymatic Detection of Hydrogen Peroxide
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials and Apparatus
2.2. Synthesis of PANI Nano-Sphere
2.3. Synthesis of rGO/PANI@PtNi Nanocomposite via Microwave Method
2.4. Preparation of Modified GCE Electrode
3. Results
3.1. Characterization of PANI Nano-Spheres
3.2. Morphology and Structure of the Composites
3.3. Electrochemical Properties of the Modified GCE
3.4. Sensing Performance of the Modified Electrodes for H2O2 Detection
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Electrode | Anodic Peak Current (µA) | Average Electroactive Surface Area * (A) (cm2) |
---|---|---|
Bare GCE | 15.0 | 0.019 |
rGO/GCE | 20.7 | 0.027 |
Pt/GCE | 35.8 | 0.046 |
rGO/Pt/GCE | 58.3 | 0.075 |
rGO/PtNi/GCE | 62.0 | 0.079 |
rGO/PANI@Pt/GCE | 67.4 | 0.087 |
rGO/PANI@PtNi/GCE | 72.4 | 0.093 |
Material | Applied Potential (V) | Linear Range (μM) | LOD (μM) | Ref |
---|---|---|---|---|
Graphene-Pt | 0 | 2–710 | 0.5 | [71] |
Catalase/Porous Graphene | −0.35 | 0.1–7.7 | 0.083 | [72] |
Graphene-CNT-Pt | −0.005 | 0.1–25 | 0.01 | [73] |
PtNPs/Graphene paper | −0.25 | 0.2–2000 | 0.1 | [74] |
Fe3O4@PANI/rGO | −0.9 | 100–1500 | 4.45 | [75] |
AgNPs/N-doped graphene | −0.3 | 100–126,400 | 1200 | [5] |
RGO/nAPAMSs (AuPt alloy) | −0.5 | 5–4000 | 0.008 | [76] |
Nf/Pd@Ag/rGO-NH2/GCE | −0.45 | 2–19,500 | 0.7 | [77] |
Ag/F-SiO2/GO | −0.3 | 100–260,000 | 4 | [78] |
Cu2O/PANI/rGO | −0.1 | 0.8–12,780 | 0.5 | [79] |
Au-graphene-HRP-chitosan | −0.25 | 20–8000 | 1.7 | [80] |
Au@PB NP graphene paper | −0.1 | 1–30 | 0.1 | [81] |
rGO/PANI@Pt | 0 | 100–126,400 | 1.1 | This work |
rGO/PANI@PtNi | 0 | 100–126,400 | 0.5 | This work |
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He, F.-G.; Yin, J.-Y.; Sharma, G.; Kumar, A.; Stadler, F.J.; Du, B. Facile Fabrication of Hierarchical rGO/PANI@PtNi Nanocomposite via Microwave-Assisted Treatment for Non-Enzymatic Detection of Hydrogen Peroxide. Nanomaterials 2019, 9, 1109. https://doi.org/10.3390/nano9081109
He F-G, Yin J-Y, Sharma G, Kumar A, Stadler FJ, Du B. Facile Fabrication of Hierarchical rGO/PANI@PtNi Nanocomposite via Microwave-Assisted Treatment for Non-Enzymatic Detection of Hydrogen Peroxide. Nanomaterials. 2019; 9(8):1109. https://doi.org/10.3390/nano9081109
Chicago/Turabian StyleHe, Fa-Gui, Jia-Yi Yin, Gaurav Sharma, Amit Kumar, Florian J. Stadler, and Bing Du. 2019. "Facile Fabrication of Hierarchical rGO/PANI@PtNi Nanocomposite via Microwave-Assisted Treatment for Non-Enzymatic Detection of Hydrogen Peroxide" Nanomaterials 9, no. 8: 1109. https://doi.org/10.3390/nano9081109