{HEAD ~ a semiconductor nanocrystal layer} disposed on {TAIL ~ the grating}, the layer including a plurality of semiconductor nanocrystals including a Group II VI compound, the nanocrystals being distributed in a metal oxide matrix 
disposed on
{ HEAD ~ a semiconductor nanocrystal layer } disposed on { TAIL ~ the grating } , the layer including a plurality of semiconductor nanocrystals including a Group II VI compound , the nanocrystals being distributed in a metal oxide matrix
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH