Figure 4.

Micro-PL of samples 1 to 4 at 80 K. (a) Sample 1, △ = 0.15 ML, (b) sample 2, △ = 0.075 ML, (c) sample 3, △ = 0.025 ML, (d) sample 4, △ = 0. △ is the deposition difference between the QD layer and SQD layer.

Li et al. Nanoscale Research Letters 2013 8:86   doi:10.1186/1556-276X-8-86
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