The method 1, wherein {HEAD ~ the Si forming solution} is coated on the substrate by sol gel coating, spin coating, {TAIL ~ spray coating} or an inkjet method 
is coated by
The method 1 , wherein { HEAD ~ the Si forming solution } is coated on the substrate by sol gel coating , spin coating , { TAIL ~ spray coating } or an inkjet method
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH