Left panel: Dependence on sample position of the micro-PL emission of the TCQRs. The spectra were measured at T = 15 K, λexc = 532 nm and Pexc = 5 W/cm2. The color scale is in arbitrary units. Right panel: Micro-PL spectra at positions corresponding to white lines on the scan.
Abbarchi et al. Nanoscale Research Letters 2011 6:569 doi:10.1186/1556-276X-6-569