Communication-Silicon Narrow-Band Solar-Blind Ultraviolet Detector Based on Ag-SiO2-Si Capacitor

Solar-blind narrow-band silicon ultraviolet photodetectors based on metal-oxide-semiconductor (MOS) capacitors with silver gate are presented. A very high selectivity was obtained using silver as the band-pass filter. An optimal relationship between the layer and silver film thicknesses was found to...

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Published inECS journal of solid state science and technology Vol. 6; no. 8; pp. Q77 - Q78
Main Authors Malik, Oleksandr, la Hidalga-Wade, Francisco Javier De
Format Journal Article
LanguageEnglish
Published The Electrochemical Society 01.01.2017
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Abstract Solar-blind narrow-band silicon ultraviolet photodetectors based on metal-oxide-semiconductor (MOS) capacitors with silver gate are presented. A very high selectivity was obtained using silver as the band-pass filter. An optimal relationship between the layer and silver film thicknesses was found to obtain a spectral response with a bandwidth of 20 nm at 320 nm and four/five orders rejection factor for the rest of the spectrum. Capacitors operate in non-equilibrium inversion mode that allows to obtaining an internal amplification of photocurrent, up to106, for a weak input optical signal due to a time compression between the charge storage and readout operating modes.
AbstractList Solar-blind narrow-band silicon ultraviolet photodetectors based on metal-oxide-semiconductor (MOS) capacitors with silver gate are presented. A very high selectivity was obtained using silver as the band-pass filter. An optimal relationship between the layer and silver film thicknesses was found to obtain a spectral response with a bandwidth of 20 nm at 320 nm and four/five orders rejection factor for the rest of the spectrum. Capacitors operate in non-equilibrium inversion mode that allows to obtaining an internal amplification of photocurrent, up to106, for a weak input optical signal due to a time compression between the charge storage and readout operating modes.
Author la Hidalga-Wade, Francisco Javier De
Malik, Oleksandr
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Snippet Solar-blind narrow-band silicon ultraviolet photodetectors based on metal-oxide-semiconductor (MOS) capacitors with silver gate are presented. A very high...
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