Versatile function of nanostructured-ZnO sensors using photo-assisted method | Zendy

Ching-Ting Lee | Zendy; Chia-Hsun Chen | Zendy; Ying-Shuo Chiu | Zendy

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Versatile function of nanostructured-ZnO sensors using photo-assisted method

Author(s) -

Ching-Ting Lee,

Chia-Hsun Chen,

Ying-Shuo Chiu

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4939850

Subject(s) - nanorod , materials science , optoelectronics , wavelength , pressure sensor , ultraviolet , power density , nanosensor , light emitting diode , piezoelectricity , ultraviolet light , photoconductivity , conductivity , nanotechnology , power (physics) , composite material , chemistry , physics , quantum mechanics , thermodynamics

The vertical ZnO nanorod array was grown as the piezoelectric pressure sensors. By taking advantages of the induced conductivity of the ZnO nanorod array under light illumination, the nanostructured-ZnO pressure sensors exhibited the improved sensitivity of 7.89 μA ⋅ cm2/mN compared to 0.027 μA ⋅ cm2/mN of the ones without light illumination. Moreover, the sensing current of the nanostructured-ZnO pressure sensors depended on the ultraviolet wavelength and power density. Consequently, the sensors could be applied as versatile function of pressure sensors, light wavelength sensors, and light power density sensors

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