In some example methods, {HEAD ~ a photoresist layer} is applied to {TAIL ~ a substrate}, and a grapheme layer can be applied to the photoresist layer 
is applied to
In some example methods , { HEAD ~ a photoresist layer } is applied to { TAIL ~ a substrate } , and a grapheme layer can be applied to the photoresist layer
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH