Additional file 2: Figure A2.

(a) XPS survey spectrum of the Ag2Te nanowires, and HRXPS in the (b) Ag 3d and (c) Te 3d regions. The molar ratio of silver to tellurium according to the quantification of peaks is 2.08:1.00, close to the stoichiometry of Ag2Te.

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Li et al. Nanoscale Research Letters 2013 8:356   doi:10.1186/1556-276X-8-356