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2 article(s) from Poli, Nicola

Metal oxide nanostructures: preparation, characterization and functional applications as chemical sensors

Dario Zappa,
Angela Bertuna,
Elisabetta Comini,
Navpreet Kaur,
Nicola Poli,
Veronica Sberveglieri and
Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2017, 8, 1205–1217, doi:10.3762/bjnano.8.122

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Figure 1: FE-SEM images of NiO nanowires at different magnifications (top), SnO₂ nanowires (middle) and ZnO n...

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Figure 2: Raman spectrum of NiO nanowires deposited on alumina substrate measured in ambient air at room temp...

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Figure 3: Raman spectrum of SnO₂ nanowires deposited on alumina substrate measured in ambient air at room tem...

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Figure 4: Raman spectrum of ZnO nanowires deposited on alumina substrates measured in ambient air at room tem...

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Figure 5: SEM picture of WO₃ nanowires on alumina substrate.

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Figure 6: Raman spectrum performed on WO₃ nanowire deposited on alumina substrate measured in ambient air at ...

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Figure 7: SEM images of Nb₂O₅ nanoflowers at 25k (left) and 75k (right) magnification level.

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Figure 8: Raman spectrum of Nb₂O₅ nanoflowers deposited on alumina substrate measured in ambient air at room ...

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Figure 9: Dynamic response of NiO and Nb₂O₅ sensing devices towards (a) (CO; 50 ppm, NiO (300 °C) and Nb₂O₅ (...

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Figure 10: Sensor response towards 50 ppm of CO (left) and 1 ppm of NO₂ (right) as a function of the temperatu...

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Figure 11: Calibration curves and power-law fitting for CO (left) and NO₂ (right). The relative humidity was k...

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Figure 12: Principal component analysis (PCA) score plot for drinking water (blue and green dots) and a soluti...

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Figure 13: Content of VOCs over seven days of analysis.

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Figure 14: Growth of 1D structures by evaporation–condensation.

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Figure 15: Flow chart describing the synthesis process of tungsten oxide nanowires.

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Figure 16: Flow chart describing the synthesis process for niobium oxide nanostructures by hydrothermal treatm...

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Full Research Paper

Published 06 Jun 2017

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A composite structure based on reduced graphene oxide and metal oxide nanomaterials for chemical sensors

Vardan Galstyan,
Elisabetta Comini,
Iskandar Kholmanov,
Andrea Ponzoni,
Veronica Sberveglieri,
Nicola Poli,
Guido Faglia and
Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2016, 7, 1421–1427, doi:10.3762/bjnano.7.133

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Figure 1: SEM image (a) and Raman spectrum (b) of the GO platelets deposited on SiO₂/Si wafer.

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Figure 2: SEM images of the obtained samples based on graphene and zinc oxide at low (a) and high (b) magnifi...

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Figure 3: (a) EDX spectrum and (b) quantitative analysis of the hybrid structure based on GO and ZnO annealed...

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Figure 4: Dynamical response of ZnO and RGO–ZnO structures at 250 °C and RH = 50% @ 20 °C: (a) towards 50 and...

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Figure 5: Schematic diagram of the sensing mechanism between acetone and the RGO–ZnO structure: Oxygen is abs...

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Figure 6: Response of RGO–ZnO and pristine ZnO nanostructures towards 100 ppm acetone and ethanol at a workin...

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Figure 7: Calibration curve for acetone at an operating temperature of 250 °C and in a humid air background (...

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Full Research Paper

Published 10 Oct 2016

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