Aligned selenium microtubes array vertically grown on a silicon substrate was synthesized in a tubular furnace under argon flow at an evaporation temperature of 300 C. The microtubes were characterized byRaman spectroscopy, X-ray diffraction, UV–vis spectroscopy, scanning and transmission electron microscopy. The photoelectrical properties of the microtube array with light were investigated. It was found a stable relative increase of the conductivity by 180% when the sample was taken from the dark and exposed with tungsten light and a sharp on/off switching behavior. These results hold promise for the fabrication of microtubes-detector arrays

Aligned selenium microtubes array: Synthesis, growth mechanism and photoelectrical properties

FILIPPO, Emanuela
Membro del Collaboration Group
;
MANNO, Daniela Erminia
Membro del Collaboration Group
;
SERRA, Antonio
Membro del Collaboration Group
2011-01-01

Abstract

Aligned selenium microtubes array vertically grown on a silicon substrate was synthesized in a tubular furnace under argon flow at an evaporation temperature of 300 C. The microtubes were characterized byRaman spectroscopy, X-ray diffraction, UV–vis spectroscopy, scanning and transmission electron microscopy. The photoelectrical properties of the microtube array with light were investigated. It was found a stable relative increase of the conductivity by 180% when the sample was taken from the dark and exposed with tungsten light and a sharp on/off switching behavior. These results hold promise for the fabrication of microtubes-detector arrays
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/365556
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