Display emogi icon in unichar with string

Display emogi icon in unichar with string

In my application i want to display emoji icon with string but its giving
me syntax error.
It's displays below string successfully
unichar character = 0xE116;
self.uniCharStr =[NSString stringWithCharacters:&character length:1];
But its giving syntax error while i use value as following.
unichar character = &#x1f4a1
self.uniCharStr =[NSString stringWithCharacters:&character length:1];
I have get this values from emoji icon list from this link.
Can anyone please guide me where i m wrong ?
Thanks!