Figure 5.

XPS of Ir4f electrons from the IrOx-NDs and W4f core-level electrons in the WOx layer. (a) XPS of the Ir4f electrons from the IrOx-NDs and (b) W4f core-level electrons in the WOx layer.

Banerjee et al. Nanoscale Research Letters 2012 7:194   doi:10.1186/1556-276X-7-194
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