The membrane electrode assembly for solid polymer electrolyte fuel cell 1, wherein Ph in {HEAD ~ the formula} is a naphthalene group, {TAIL ~ an anthracene group}, a tetracene group, or a pentacene group 
The membrane electrode assembly for solid polymer electrolyte fuel cell 1 , wherein Ph in { HEAD ~ the formula } is a naphthalene group , { TAIL ~ an anthracene group } , a tetracene group , or a pentacene group
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH