Figure 2.

Room-temperature PL spectra of Si NCs in the SRO and SROEr films. The Si excesses in SRO and SROEr films are (a) 11%, (b) 36%, (c) 58%, and (d) 88%, respectively. The Si NCs with separated microstructures and smaller sizes might be preferable to their luminescence performance.

Jin et al. Nanoscale Research Letters 2013 8:34   doi:10.1186/1556-276X-8-34
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