Kinetics of the Photocurrent of a UV Sensor Based on Indium–Zinc Oxide Nanowires

An analysis of the experiments on the kinetics of the rise and decay of the current under the influence of extreme ultraviolet radiation on the indium–zinc oxide filament layer obtained by the electrospinning method is given. It is shown that the rate of rise of photocurrent is controlled by the rad...

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Bibliographic Details
Published in:Technical physics letters 2019-09, Vol.45 (9), p.898-901
Main Authors: Boriskov, P. P., Berezina, O. Ya, Markova, N. P., Pergament, A. L.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Decay rate
EXPERIMENTAL DATA
EXTREME ULTRAVIOLET RADIATION
FILAMENTS
Indium
INDIUM OXIDES
KINETICS
LAYERS
NANOSCIENCE AND NANOTECHNOLOGY
NANOWIRES
OXYGEN
PARTIAL PRESSURE
PHOTOCURRENTS
Photoelectric effect
Photoelectric emission
Physics
Physics and Astronomy
Response time
SENSORS
SURFACES
THIN FILMS
Ultraviolet radiation
Zinc oxide
ZINC OXIDES
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Summary:An analysis of the experiments on the kinetics of the rise and decay of the current under the influence of extreme ultraviolet radiation on the indium–zinc oxide filament layer obtained by the electrospinning method is given. It is shown that the rate of rise of photocurrent is controlled by the radiation intensity and its decay rate is controlled by the partial pressure of oxygen on the surface of the wires. Owing to a significantly larger area of the active surface, this UV sensor with a layer of nanoscale wires has a shorter response time in comparison with homogeneous film structures in which the oxygen adsorption sites are concentrated.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785019090025