The method 2, wherein said metal nanowires are selected from {TAIL ~ nanowires} of a transition metal or {HEAD ~ an alloy} of a transition metal 
The method 2 , wherein said metal nanowires are selected from { TAIL ~ nanowires } of a transition metal or { HEAD ~ an alloy } of a transition metal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH