The invention also provides 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 {HEAD ~ a silver pyrrole complex}, wherein {TAIL ~ the heterocyclic monomer} is selected from the group consisting of pyrrole, its substituted derivatives and combinations thereof 
wherein
The invention also provides 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 { HEAD ~ a silver pyrrole complex } , wherein { TAIL ~ the heterocyclic monomer } is selected from the group consisting of pyrrole , its substituted derivatives and combinations thereof
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