The energy difference between the maximum of the gain and the emission maximum decreases with {HEAD ~ decreasing size} of {TAIL ~ the nanocrystal} 
of
The energy difference between the maximum of the gain and the emission maximum decreases with { HEAD ~ decreasing size } of { TAIL ~ the nanocrystal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL