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Enhanced photoemission from glancing angle deposited SiOx-TiO2 axial heterostructure nanowire arrays
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10.1063/1.4803550
/content/aip/journal/jap/113/17/10.1063/1.4803550
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4803550
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

FEG-SEM image of GLAD SiO-TiO heterostructure NW arrays (a) top view, (b) cross-sectional view, (c) EDAX analysis, (d) chemical mapping, and (e) schematic diagram of the heterostructure NWs formation.

Image of FIG. 2.
FIG. 2.

TEM images of the SiO-TiO heterostructure NW (a) separate NWs, (b) upper portion (TiO) of the heterostructure with SAED (inset), (c) lower portion (SiO) of the heterostructure with SAED (inset), and (d) typical sub grown NWs.

Image of FIG. 3.
FIG. 3.

XRD patterns of the SiO-TiO heterostructure NW array on ITO coated glass plate.

Image of FIG. 4.
FIG. 4.

UV-Vis optical spectrum of SiO-TiO heterostructure NW and TiO NW (a) absorption, (b) transmission, (c) (αhv) versus energy curve, and (d) (αhv) versus energy plot within the range of 2–3 eV.

Image of FIG. 5.
FIG. 5.

(a) Photoluminescence spectrum of SiO-TiO heterostructure NWs on ITO coated glass and TiO NWs on Si substrates. (b) Energy band diagram and visualization of electron-hole recombination process at the interface of SiO and TiO for the SiO-TiO heterostructure NW.

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/content/aip/journal/jap/113/17/10.1063/1.4803550
2013-05-02
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced photoemission from glancing angle deposited SiOx-TiO2 axial heterostructure nanowire arrays
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4803550
10.1063/1.4803550
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