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2 article(s) from Pang, Zengyuan

Ammonia gas sensors based on In₂O₃/PANI hetero-nanofibers operating at room temperature

Qingxin Nie,
Zengyuan Pang,
Hangyi Lu,
Yibing Cai and
Qufu Wei

Beilstein J. Nanotechnol. 2016, 7, 1312–1321, doi:10.3762/bjnano.7.122

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Figure 1: Schematic of the preparation of In₂O₃/PANI composite nanofibers.

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Figure 2: a) XRD pattern of In₂O₃ nanofibers. FTIR spectra of b) In(NO₃)₃/PVP composite nanofibers and In₂O₃ ...

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Figure 3: SEM images of (a) In(NO₃)₃/PVP composite nanofibers (with diameter distributions), (b) In₂O₃ nanofi...

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Figure 4: Current–Voltage (I–V) characteristics of pure PANI and In₂O₃/PANI nanofibers.

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Figure 5: Dynamic response of sensors based on (a) pure PANI, (b) In₂O₃/PANI nanofibers-1, (c) In₂O₃/PANI nan...

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Figure 6: The response values of pure PANI and three In₂O₃/ PANI nanofibers sensors to different concentratio...

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Figure 7: Dynamic response of In₂O₃/ PANI-2 sensor towards 50 ppm, 30 ppm and 10 ppm NH₃ at room temperature.

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Figure 8: Cross-response curves of In₂O₃/PANI-2 nanofibers sensor to 1000 ppm methanol, ethanol, acetone and ...

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Figure 9: Sensing repeatability and reversibility of In₂O₃/PANI-2 nanofibers sensor to 1000 ppm NH₃ vapor.

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Figure 10: Schematic of p–n junction of In₂O₃/PANI nanofibers and its potential energy barrier change when exp...

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Full Research Paper

Published 19 Sep 2016

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A catechol biosensor based on electrospun carbon nanofibers

Dawei Li,
Zengyuan Pang,
Xiaodong Chen,
Lei Luo,
Yibing Cai and
Qufu Wei

Beilstein J. Nanotechnol. 2014, 5, 346–354, doi:10.3762/bjnano.5.39

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Figure 1: SEM images of the ECNFs (a) and the suface of laccase–Nafion–ECNFs/GCE (b). Insert: the diameter di...

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Figure 2: Raman spectrum (a) and FTIR spectrum (b) of the ECNFs.

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Figure 3: FTIR spectra of laccase (a), laccase–Nafion (b), and laccase–Nafion–ECNFs (c) thin films, respectiv...

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Figure 4: Cyclic voltammograms of the laccase–Nafion–ECNFs/GCE in acetate buffer (pH 4.0) with different scan...

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Figure 5: Cyclic voltammograms of of laccase–Nafion/GCE (a), laccase/GCE (b), laccase–Nafion–ECNFs/GCE (c) to...

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Figure 6: Schematic representation of laccase-catalyzed oxidation of catechol with its subsequent electrochem...

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Figure 7: Influences of solution pH (at 0.4 V) (a) and applied potential (pH 5.5) (b) on the steady-state cur...

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Figure 8: Typical steady-state current response of the laccase–Nafion–ECNFs/GCE on the successive addition of...

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Figure 9: Relative responses of the laccase–Nafion–ECNFs/GCE for different phenolic compounds (catechol, cate...

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Figure 10: Storage stability of the laccase–Nafion–ECNFs/GCE in 0.2 M acetate buffer (pH 4.0) at 4 °C.

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Full Research Paper

Published 24 Mar 2014

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Ammonia gas sensors based on In2O3/PANI hetero-nanofibers operating at room temperature

A catechol biosensor based on electrospun carbon nanofibers

Ammonia gas sensors based on In₂O₃/PANI hetero-nanofibers operating at room temperature