Figure 2.

PL decay curves. The PL decay curves of H-PSi measured at a photon energy of 2.03 eV (610 nm) and at various temperatures. The solid lines present the best fit to a stretched exponential function (Equation 1). Inset shows the PL spectrum of H-PSi measured at room temperature.

Arad-Vosk and Sa'ar Nanoscale Research Letters 2014 9:47   doi:10.1186/1556-276X-9-47
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