Bajpai, R.
, Motayed, A.
, Davydov, A.
, Bertness, K.
and Zaghloul, M.
(2012),
UV-Assisted Alcohol Sensing with Zinc Oxide Functionalized Gallium Nitride Nanowires, IEEE Electron Device Letters, [online], https://doi.org/10.1109/LED.2012.2194129
(Accessed December 6, 2024)
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UV-Assisted Alcohol Sensing with Zinc Oxide Functionalized Gallium Nitride Nanowires
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Abstract
Alcohol sensors using gallium nitride (GaN) nanowires (NWs) functionalized with zinc oxide (ZnO) nanoparticles have been demonstrated. These sensors operate at room temperature, are completely recoverable and demonstrate a response and recovery time of the order of 100 s. The sensing is assisted by UV light within the band of 215 nm- 400 nm and the intensity measured at 365 nm wavelength is 375 nW/cm^(2). The ability to functionalize an inactive nanowire surface, with analyte specific active metal oxide nanoparticles makes this sensor technique suitable for fabricating multi-analyte sensor arrays.Citation
IEEE Electron Device Letters
Volume
33
Issue
7
Pub Type
Journals
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Keywords
Chemical sensors, nanoparticles, nanoscale devices, photoconductivity, semiconductor nanostructures
Citation
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Created June 30, 2012, Updated October 12, 2021