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. Author manuscript; available in PMC: 2012 Aug 2.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2009 Jul 8;113(31):13694–13702. doi: 10.1021/jp903727n

Figure 1.

Figure 1

Time evolution of the emission spectra obtained at 360 nm excitation, of as obtained Si-NPs in toluene suspension. The arrows indicate the direction of the increasing and decreasing emission after 2, 5, 16 and 25 days.