However, the sheet resistance and optical transparency of the films produced in {HEAD ~ this manner} using {TAIL ~ casting} or spin coating were not satisfactory 
using
However , the sheet resistance and optical transparency of the films produced in { HEAD ~ this manner } using { TAIL ~ casting } or spin coating were not satisfactory
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 OTH OTH OTH OTH OTH OTH