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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Hazra, Arnab | - |
dc.date.accessioned | 2023-03-11T07:01:11Z | - |
dc.date.available | 2023-03-11T07:01:11Z | - |
dc.date.issued | 2018-01 | - |
dc.identifier.uri | https://ieeexplore.ieee.org/document/8094291 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9651 | - |
dc.description.abstract | A physical model was developed to estimate the capacitance and capacitive response of electrochemically grown ordered and self-organized TiO2 nanotube array based sandwich structured vapor sensor device (Au/TiO2 nanotube /Ti). Nanotubes were modeled in hexagonal grid geometry considering its structural and morphological parameters. Five different capacitances, i.e., capacitance due to TiO2 solid (Cn), free space in bulk (Cf), Au/TiO2 junction (Cju), Ti/TiO2 junction (Cjd), and internal capacitances between two adjacent nanotubes (Cz) were formulated, simplified, and represented in a complex capacitive network. Equivalent device capacitance (Ceq) was calculated by solving the charge-voltage equations through matrix method. Simulated capacitance (Ceq) and capacitive response (R C) of Au/TiO2 nanotube /Ti device towards different organic vapors were compared with practically measured values obtained by impedance analysis method. | en_US |
dc.language.iso | en | en_US |
dc.publisher | IEEE | en_US |
dc.subject | EEE | en_US |
dc.subject | TiO ${_{2}}$ nanotube array | en_US |
dc.subject | Sandwich device structure and TiO₂ nanotubes array | en_US |
dc.subject | Vapor sensing | en_US |
dc.subject | Capacitive response | en_US |
dc.title | A Physical Modeling of TiO2 Nanotube Array-Based Capacitive Vapor Sensor | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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