The photoresist layer can be formed on the substrate, with {HEAD ~ the graphene layer} formed on {TAIL ~ the photoresist layer} 
formed on
The photoresist layer can be formed on the substrate , with { HEAD ~ the graphene layer } formed on { TAIL ~ the photoresist layer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL