Figure 3.

XPS spectra of the synthesized nanowires. (a) The In 3d core-level spectrum. (b) The Sb 3d core-level spectrum. (c) FTIR spectrum of the synthesized InSb nanowires. The inset shows (αhν)2 versus curve for InSb nanowires. (d) Schematic diagram of the InSb energy bandgap.

Kuo et al. Nanoscale Research Letters 2013 8:69   doi:10.1186/1556-276X-8-69
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