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Observation of persistent photoconductance in single ZnO nanotube
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10.1063/1.3082173
/content/aip/journal/apl/94/6/10.1063/1.3082173
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3082173
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Figures

Image of FIG. 1.
FIG. 1.

(a) SEM image of vertical ZNT arrays grown on ITO substrate. Inset: XRD data and transmission electron microscopy electron diffraction pattern indicate the single crystalline structure of ZNT. (b) Schematic of the two-terminal suspended measurement system.

Image of FIG. 2.
FIG. 2.

characteristics of ZNT under dark condition (circles), illuminated by a UV light source (squares) and 1 h after the UV light was turned off. Inset is the schematic of the ITO-ZNT-metal hybrid structure.

Image of FIG. 3.
FIG. 3.

(a) Illumination power normalized single ZNT conductance (open circle) as a function of excitation wavelength. The sum of two Gaussian peaks (dotted curves) with and yields a good fit (solid curve) to the data. Inset is the PL spectrum taken from a ZNTs film. (b) Energy diagram of the band structure of the neutral or doubly ionized defect localized states.

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/content/aip/journal/apl/94/6/10.1063/1.3082173
2009-02-13
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of persistent photoconductance in single ZnO nanotube
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3082173
10.1063/1.3082173
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