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Probing valence band structure in wurtzite InP nanowires using excitation spectroscopy
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10.1063/1.3463036
/content/aip/journal/apl/97/2/10.1063/1.3463036
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/2/10.1063/1.3463036
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) FESEM micrograph of the 100 nm WZ InP nanowires (substrate tilted to 45°). (b) TEM micrograph of an InP nanowire showing the excellent crystallinity. A 100 nm gold catalyst can be seen at the end of the NW.

Image of FIG. 2.
FIG. 2.

Representative power-dependent CW PL spectra for a single 100 nm WZ InP NW.

Image of FIG. 3.
FIG. 3.

(a) Time-resolved spectral map of a single WZ InP 100 nm NW. (b) Early and late time spectra extracted from TRPL Map showing temporal evolution from band edge emission to defect emission.

Image of FIG. 4.
FIG. 4.

PLE spectrum (right) from a single 100 nm WZ InP NW showing three excitation resonances marked A, B, and C. Filtered PL spectrum (left) showing the defect emission for laser excitation tuned to the resonance marked B.

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/content/aip/journal/apl/97/2/10.1063/1.3463036
2010-07-14
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Probing valence band structure in wurtzite InP nanowires using excitation spectroscopy
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/2/10.1063/1.3463036
10.1063/1.3463036
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