{HEAD ~ The invention} also provides {TAIL ~ a process} comprising the steps of: providing a solution of toluene and AgClO4 ; adding a heterocyclic monomer into the solution to precipitate a polycrystalline complex, such as a silver pyrrole complex, wherein the heterocyclic monomer is selected from the group consisting of pyrrole, its substituted derivatives and combinations thereof 
provides
{ HEAD ~ The invention } also provides { TAIL ~ a process } comprising the steps of : providing a solution of toluene and AgClO4 ; adding a heterocyclic monomer into the solution to precipitate a polycrystalline complex , such as a silver pyrrole complex , wherein the heterocyclic monomer is selected from the group consisting of pyrrole , its substituted derivatives and combinations thereof
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