Figure 1 .
PL intensity images from the edge of the patterned area. Intensity within the spectral range of 850 to 1,000 nm was measured at temperatures of 5 K (a), 40 K (b), and 70 K (c). The excitation power and wavelength were 1.77 μW and 532 nm, respectively.
Tommila et al. Nanoscale Research Letters 2012 7:313 doi:10.1186/1556-276X-7-313