Articles producció científicaEnginyeria Electrònica, Elèctrica i Automàtica

Temperature-Dependent NO2 Sensing Mechanisms over Indium Oxide

  • Identification data

    Identifier:  imarina:9282664
    Handle: https://hdl.handle.net/20.500.11797/imarina9282664
    Authors:  Roso, Sergio; Degler, David; Llobet, Eduard; Barsan, Nicolae; Urakawa, Atsushi
    Abstract:
    The surface species responsible for NO2 gas sensing over indium oxide was studied by operando DRIFTS coupled to a multivariate spectral analysis. It revealed the important roles of surface nitrites on the temperature-dependent gas sensing mechanism and the interaction of such nitrites with surface hydroxyls. A highly hydroxylated surface with high concentration of surface adsorbed H2O is beneficial to enhance the concentration of adsorbed NO2, present as nitrites, thus explaining superior sensing response at lower operating temperatures. © 2017 American Chemical Society.

  • Others:

    Link to the original source: https://pubs.acs.org/doi/10.1021/acssensors.7b00504
    APA: Roso, Sergio; Degler, David; Llobet, Eduard; Barsan, Nicolae; Urakawa, Atsushi (2017). Temperature-Dependent NO2 Sensing Mechanisms over Indium Oxide. Acs Sensors, 2(9), 1272-1277. DOI: 10.1021/acssensors.7b00504
    Paper original source: Acs Sensors. 2 (9): 1272-1277
    Article's DOI: 10.1021/acssensors.7b00504
    Journal publication year: 2017
    Entity: Universitat Rovira i Virgili
    Paper version: info:eu-repo/semantics/acceptedVersion
    Record's date: 2024-10-12
    URV's Author/s: Llobet Valero, Eduard
    Department: Enginyeria Electrònica, Elèctrica i Automàtica
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Publication Type: Journal Publications
    Author, as appears in the article.: Roso, Sergio; Degler, David; Llobet, Eduard; Barsan, Nicolae; Urakawa, Atsushi
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    Thematic Areas: Process chemistry and technology, Nanoscience & nanotechnology, Instrumentation, Fluid flow and transfer processes, Engenharias iii, Chemistry, multidisciplinary, Chemistry, analytical, Bioengineering
    Author's mail: eduard.llobet@urv.cat

  • Keywords:

    Temperature dependent
    Spectrum analysis
    Operating temperature
    No2
    No 2
    Nitrogen oxides
    Multivariate spectral analysis
    Multivariate analysis
    Multivariant analysis
    Multi variate analysis
    Indium compounds
    In2o3
    In o 2 3
    Hydroxylated surfaces
    Gas sensor
    Gas sensing mechanism
    Gas sensing electrodes
    Gas detectors
    Drifts
    Chemical sensors
    Chemical detection
    Bioengineering
    Chemistry
    Analytical
    Multidisciplinary
    Fluid Flow and Transfer Processes
    Instrumentation
    Nanoscience & Nanotechnology
    Process Chemistry and Technology
    Engenharias iii

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