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1 article(s) from Wu, Kaidi

Synthesis and acetone sensing properties of ZnFe₂O₄/rGO gas sensors

Kaidi Wu,
Yifan Luo,
Ying Li and
Chao Zhang

Beilstein J. Nanotechnol. 2019, 10, 2516–2526, doi:10.3762/bjnano.10.242

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Figure 1: Schematic images of the electric circuit equivalent to the system and the corresponding ZnFe₂O₄/rGO...

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Figure 2: XRD patterns of the synthesized hollow spheres of pure ZnFe₂O₄ and the different ZnFe₂O₄/rGO compos...

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Figure 3: FESEM images of the hollow spheres made of (a, b) pure ZnFe₂O₄ and composite ZnFe₂O₄/rGO with an rG...

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Figure 4: EDX results of the ZnFe₂O₄/rGO samples containing 0.5 and 1 wt % rGO.

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Figure 5: TEM images of (a) GO (b) hollow spheres of ZnFe₂O₄ and (c–f) hollow spheres of the ZnFe₂O₄/rGO comp...

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Figure 6: TEM images of (a) the 0.5 wt % ZnFe₂O₄/rGO spheres and (b) the 1 wt % ZnFe₂O₄/rGO spheres. (c) HRTE...

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Figure 7: Response of the hollow spheres made of pure ZnFe₂O₄ and the four different ZnFe₂O₄/rGO composites u...

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Figure 8: Dynamic response/recovery curves of the pure ZnFe₂O₄ and the four ZnFe₂O₄/rGO gas sensors to (a) 0....

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Figure 9: Linear response of (a) the hollow spheres of pure ZnFe₂O₄ and (b) of ZnFe₂O₄/rGO with 0.5 wt % rGO ...

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Figure 10: Response of the 0.5 wt % ZnFe₂O₄/rGO sensor to 10 ppm of acetone, ethanol, methanol and formaldehyd...

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Figure 11: Schematic of the proposed acetone sensing mechanism of ZnFe₂O₄/rGO. Band diagram of rGO and ZnFe₂O₄...

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Published 16 Dec 2019

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Synthesis and acetone sensing properties of ZnFe2O4/rGO gas sensors

Synthesis and acetone sensing properties of ZnFe₂O₄/rGO gas sensors