Figure 3.

Decay-associated PL spectra. The spectra were obtained from the global fit analysis with linked time constants of a triple exponential function expressing the PL decay curve. Solid lines show fitting curves using Gaussian functions. A peak energy for each PL component is also indicated by an arrow.

Kiba et al. Nanoscale Research Letters 2012 7:587   doi:10.1186/1556-276X-7-587
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