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High magnetic field annealing effect on visible photoluminescence enhancement of TiO2 nanotube arrays
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10.1063/1.3679621
/content/aip/journal/apl/100/4/10.1063/1.3679621
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/4/10.1063/1.3679621
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) FESEM images of TiO2 NTs. (b) Lateral view FESEM images of TiO2 NT layers. XRD patterns of as-prepared TiO2 NTs and samples annealed under (c) field intensities of 0, 2, 4, 6, and 8 T (θ: 90°) and (d) field directions of 0°, 50°, and 90° (H: 6 T).

Image of FIG. 2.
FIG. 2.

(Color online) PL spectra of samples annealed under (a) different field intensities and (b) different field directions. PL spectra and Gaussian fit bands of samples annealed (c) without and (d) with a high magnetic field (H: 6 T, θ: 90°) (excitation wavelength: 325 nm).

Image of FIG. 3.
FIG. 3.

(Color online) The position of the four PL peaks vs (a) the field intensity and (b) direction, respectively. The intensity of the four PL peaks vs (c) the field intensity and (d) direction, respectively. The average crystallite sizes of TiO2 NTs, annealed under (e) different field intensities and (f) different directions, calculated by the Scherrer equation.

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/content/aip/journal/apl/100/4/10.1063/1.3679621
2012-01-25
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High magnetic field annealing effect on visible photoluminescence enhancement of TiO2 nanotube arrays
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/4/10.1063/1.3679621
10.1063/1.3679621
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