ITPL intensity and energy transfer rate. ITPL intensity of Si NCs in the SRO and SROEr films (left coordinate) and energy transfer rate between Si NCs and Er3+ (right coordinate) as a function of Si excesses. The energy transfer rate increases with the Si excess.
Jin et al. Nanoscale Research Letters 2013 8:34 doi:10.1186/1556-276X-8-34